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Buy from Amazon $41.17$10.12 $45.00 $36.25 $27.50 $18.75 Dec Mar Jun Sep Dec Mar Jun Sep Dec Mar Jun 2014 2015 2016 $24.66, Sep 10 6:25 am$30.44, Nov 8 3:42 am$31.04, Nov 23 - Dec 1$31.35, Dec 2 - Dec 7$28.79, Dec 9 - Dec 11$10.12, Dec 14 4:29 am$11.38, Dec 16 5:56 am$31.35, Dec 18 - Dec 20$29.39, Dec 23 - Jan 1$29.43, Jan 4 - Jan 8$23.02, Jan 9 - Jan 22$29.89, Jan 23 - Mar 6$27.98, Mar 7 - Mar 8$26.98, Mar 9 - Apr 6$29.98, Apr 6 - Apr 7$29.89, Apr 8 - Apr 27$31.30, Apr 28 - May 29$31.30, Apr 28 - May 29$29.40, May 4 3:45 am$25.00, May 3 - May 6$31.30, Apr 28 - May 29$29.19, May 6 8:01 pm$25.00, May 3 - May 6$31.89, May 8 - May 10$31.30, Apr 28 - May 29$25.00, May 8 - May 10$35.61, May 11 10:17 am$31.30, Apr 28 - May 29$25.00, May 11 10:17 am$31.30, Apr 28 - May 29$30.98, May 13 - May 18$28.82, May 12 - May 28$31.55, May 21 12:02 pm$31.30, Apr 28 - May 29$28.82, May 12 - May 28$35.70, May 23 11:42 pm$31.30, Apr 28 - May 29$28.82, May 12 - May 28$31.54, May 25 - May 26$31.30, Apr 28 - May 29$28.82, May 12 - May 28$40.07, May 29 12:03 am$31.30, Apr 28 - May 29$29.22, May 29 - Jun 2$31.61, May 29 - Jun 12$29.22, May 29 - Jun 2$27.99, May 31 - Jun 1$31.61, May 29 - Jun 12$27.00, Jun 1 - Jun 3$25.67, Jun 3 3:42 am$31.61, May 29 - Jun 12$29.22, Jun 3 - Jun 10$27.61, Jun 4 - Jun 7$41.17, Jun 8 2:39 am$31.61, May 29 - Jun 12$29.22, Jun 3 - Jun 10$31.61, May 29 - Jun 12$31.11, Jun 9 - Jun 12$29.22, Jun 3 - Jun 10$31.70, Jun 13 - Jul 28$31.55, Jun 18 - Jun 24$30.00, Jun 11 - Jun 26$31.70, Jun 13 - Jul 28$31.65, Jun 25 - Jun 26$30.00, Jun 11 - Jun 26$31.70, Jun 13 - Jul 28$31.64, Jun 27 - Jun 28$27.70, Jun 27 - Jun 29$31.70, Jun 13 - Jul 28$30.55, Jun 30 5:11 pm$27.70, Jun 30 - Jul 3$31.70, Jun 13 - Jul 28$27.70, Jul 1 - Jul 3$27.70, Jun 30 - Jul 3$36.31, Jul 5 - Jul 6$31.70, Jun 13 - Jul 28$27.68, Jul 5 10:46 am$33.96, Jul 8 1:45 am$31.70, Jun 13 - Jul 28$27.70, Jul 6 - Jul 10$31.81, Jul 10 12:48 pm$31.70, Jun 13 - Jul 28$27.70, Jul 6 - Jul 10$36.31, Jul 12 - Jul 19$31.70, Jun 13 - Jul 28$30.00, Jul 15 - Jul 22$36.06, Jul 20 - Jul 21$31.70, Jun 13 - Jul 28$30.00, Jul 15 - Jul 22$35.71, Jul 22 9:37 pm$31.70, Jun 13 - Jul 28$30.00, Jul 15 - Jul 22$31.70, Jun 13 - Jul 28$27.70, Jul 25 - Jul 28$24.95, Jul 23 - Jul 27$31.70, Jun 13 - Jul 28$27.70, Jul 25 - Jul 28$26.87, Jul 28 3:48 am$31.66, Jul 29 - Aug 25$27.66, Jul 29 - Jul 30$27.65, Jul 30 9:01 pm$31.66, Jul 29 - Aug 25$28.21, Aug 1 4:10 pm$27.66, Aug 1 - Aug 2$31.66, Jul 29 - Aug 25$30.00, Aug 3 - Aug 5$28.15, Aug 2 - Aug 4$31.66, Jul 29 - Aug 25$30.75, Aug 6 - Aug 7$28.10, Aug 6 12:29 pm$31.66, Aug 8 - Aug 9$31.66, Jul 29 - Aug 25$28.00, Aug 9 11:42 am$31.66, Jul 29 - Aug 25$29.00, Aug 10 - Aug 11$27.52, Aug 11 11:44 am$31.66, Aug 12 - Aug 16$31.66, Jul 29 - Aug 25$27.37, Aug 14 8:54 am$31.66, Aug 12 - Aug 16$31.66, Jul 29 - Aug 25$27.64, Aug 16 6:35 am$31.66, Jul 29 - Aug 25$27.66, Aug 17 - Aug 20$27.64, Aug 18 7:07 am$31.66, Aug 21 - Aug 22$31.66, Jul 29 - Aug 25$27.58, Aug 21 - Aug 22$31.66, Jul 29 - Aug 25$27.66, Aug 23 - Aug 25$27.53, Aug 24 8:19 am$31.65, Aug 26 11:21 am$27.65, Aug 26 11:21 am$27.46, Aug 26 11:21 am$31.35, Aug 27 - Sep 2$27.35, Aug 27 - Sep 2$19.79, Aug 29 7:24 pm$31.35, Aug 27 - Sep 2$27.35, Aug 27 - Sep 2$18.70, Sep 1 3:30 am$31.66, Sep 3 - Sep 8$27.66, Sep 3 - Sep 9$18.25, Sep 3 11:56 am$31.66, Sep 3 - Sep 8$27.66, Sep 3 - Sep 9$18.00, Sep 4 - Sep 5$31.66, Sep 3 - Sep 8$27.66, Sep 3 - Sep 9$18.49, Sep 8 - Sep 15$31.35, Sep 10 - Oct 5$27.35, Sep 10 - Sep 20$18.49, Sep 8 - Sep 15$31.35, Sep 10 - Oct 5$27.35, Sep 10 - Sep 20$17.99, Sep 16 5:34 am$31.35, Sep 10 - Oct 5$27.35, Sep 10 - Sep 20$17.98, Sep 18 8:31 am$31.35, Sep 10 - Oct 5$27.35, Sep 10 - Sep 20$18.49, Sep 19 - Sep 20$31.35, Sep 10 - Oct 5$27.35, Sep 23 - Sep 26$17.00, Sep 22 - Sep 26$31.35, Sep 10 - Oct 5$28.82, Sep 30 - Oct 1$25.79, Oct 1 5:19 am$31.35, Sep 10 - Oct 5$27.35, Oct 2 - Oct 6$25.78, Oct 3 10:01 am$31.35, Sep 10 - Oct 5$28.15, Oct 4 - Oct 27$27.35, Oct 2 - Oct 6$29.21, Oct 7 - Oct 9$28.15, Oct 4 - Oct 27$27.70, Oct 7 4:54 pm$29.21, Oct 7 - Oct 9$28.15, Oct 4 - Oct 27$25.21, Oct 9 8:26 pm$31.70, Oct 11 - Oct 30$28.82, Oct 13 2:46 pm$28.15, Oct 4 - Oct 27$31.70, Oct 15 - Oct 22$31.70, Oct 11 - Oct 30$28.15, Oct 4 - Oct 27$31.70, Oct 11 - Oct 30$31.69, Oct 27 - Oct 30$28.15, Oct 4 - Oct 27$31.70, Oct 11 - Oct 30$31.69, Oct 27 - Oct 30$26.00, Oct 30 1:39 am$31.35, Nov 4 2:12 pm$31.35, Nov 4 - Nov 16$28.15, Nov 4 - Nov 11$31.35, Nov 4 - Nov 16$31.34, Nov 11 2:28 am$28.15, Nov 4 - Nov 11$31.35, Nov 4 - Nov 16$27.35, Nov 16 4:43 am$27.35, Nov 16 4:43 am$31.70, Nov 18 - Nov 26$27.31, Nov 18 - Nov 19$27.31, Nov 18 - Nov 19$31.70, Nov 18 - Nov 26$27.29, Nov 20 - Nov 23$27.29, Nov 20 - Nov 22$31.70, Nov 18 - Nov 26$27.29, Nov 20 - Nov 23$24.00, Nov 23 9:57 pm$31.70, Nov 18 - Nov 26$26.98, Nov 26 - Nov 29$25.99, Nov 26 12:12 am$31.35, Nov 27 - Dec 9$26.98, Nov 26 - Nov 29$25.35, Nov 29 7:31 pm$31.35, Nov 27 - Dec 9$26.99, Dec 1 6:18 pm$25.30, Dec 1 6:18 pm$31.35, Nov 27 - Dec 9$26.98, Dec 3 4:35 pm$26.00, Dec 3 - Dec 13$31.35, Nov 27 - Dec 9$26.00, Dec 3 - Dec 13$24.99, Dec 5 - Dec 11$31.03, Dec 11 - Dec 13$26.00, Dec 3 - Dec 13$24.99, Dec 5 - Dec 11$28.86, Dec 14 - Dec 21$24.86, Dec 14 - Dec 21$23.00, Dec 14 - Dec 16$28.86, Dec 14 - Dec 21$24.86, Dec 14 - Dec 21$24.00, Dec 18 10:26 am$28.86, Dec 14 - Dec 21$24.86, Dec 14 - Dec 21$23.94, Dec 21 8:04 am$28.71, Dec 29 - Jan 1$24.66, Dec 29 5:19 pm$17.98, Dec 29 - Dec 30$28.71, Dec 29 - Jan 1$24.63, Jan 1 4:14 am$21.88, Dec 31 - Jan 2$28.56, Jan 2 1:53 am$24.56, Jan 2 1:53 am$21.88, Dec 31 - Jan 2$28.41, Jan 9 - Jan 14$25.00, Jan 9 - Jan 12$21.87, Jan 9 - Jan 11$28.41, Jan 12 - Jan 14$28.41, Jan 9 - Jan 14$21.88, Jan 12 - Jan 14$28.26, Jan 15 - Jan 21$28.26, Jan 15 - Jan 21$20.00, Jan 15 - Jan 16$28.26, Jan 15 - Jan 21$28.26, Jan 15 - Jan 21$28.10, Jan 17 - Jan 23$28.22, Jan 22 - Feb 3$28.22, Jan 22 - Feb 3$22.65, Jan 23 10:01 pm$28.22, Jan 22 - Feb 3$28.22, Jan 22 - Feb 3$18.65, Jan 24 - Jan 26$28.22, Jan 22 - Feb 3$28.22, Jan 22 - Feb 3$17.05, Jan 29 12:38 am$28.22, Jan 22 - Feb 3$28.22, Jan 22 - Feb 3$16.10, Jan 31 5:15 pm$28.22, Jan 22 - Feb 3$28.22, Jan 22 - Feb 3$21.38, Feb 2 1:54 pm$28.50, Feb 4 - Feb 10$24.50, Feb 5 - Feb 10$19.46, Feb 5 8:46 am$28.50, Feb 4 - Feb 10$24.50, Feb 5 - Feb 10$17.74, Feb 7 4:54 am$28.50, Feb 4 - Feb 10$24.50, Feb 5 - Feb 10$20.95, Feb 9 - Feb 14$28.78, Feb 12 - Feb 16$24.78, Feb 12 - Feb 16$20.95, Feb 9 - Feb 14$29.56, Feb 18 - Mar 8$28.82, Feb 18 - Feb 25$24.45, Feb 18 - Feb 19$29.56, Feb 18 - Mar 8$28.82, Feb 18 - Feb 25$24.40, Feb 20 3:35 am$29.56, Feb 18 - Mar 8$28.82, Feb 18 - Feb 25$24.45, Feb 21 - Feb 23$29.56, Feb 18 - Mar 8$28.82, Feb 18 - Feb 25$27.70, Feb 24 - Feb 26$29.56, Feb 18 - Mar 8$28.81, Feb 26 - Mar 9$28.15, Feb 27 10:23 pm$29.56, Feb 18 - Mar 8$28.81, Mar 2 - Mar 3$28.81, Feb 26 - Mar 9$29.56, Feb 18 - Mar 8$28.81, Feb 26 - Mar 9$28.50, Mar 4 - Mar 8$29.21, Mar 9 - Mar 15$28.81, Feb 26 - Mar 9$22.48, Mar 9 4:52 pm$29.21, Mar 9 - Mar 15$25.00, Mar 12 - Mar 23$24.64, Mar 12 - Mar 15$28.21, Mar 17 - Mar 23$25.00, Mar 12 - Mar 23$24.02, Mar 17 - Mar 19$28.21, Mar 17 - Mar 23$27.75, Mar 20 4:30 pm$25.00, Mar 12 - Mar 23$29.21, Mar 25 - Apr 1$25.00, Mar 27 - Mar 31$24.64, Mar 25 - Apr 2$29.21, Mar 25 - Apr 1$24.64, Mar 25 - Apr 2$22.48, Apr 1 10:41 am$29.94, Apr 2 - Apr 6$25.35, Apr 4 - Apr 9$25.00, Apr 2 - Apr 6$30.68, Apr 9 - Apr 15$27.75, Apr 9 12:39 pm$25.35, Apr 4 - Apr 9$33.17, Apr 12 - Apr 15$30.68, Apr 9 - Apr 15$26.08, Apr 12 - Apr 15$33.36, Apr 16 3:10 pm$31.44, Apr 16 - Apr 22$28.75, Apr 16 - Apr 17$31.44, Apr 16 - Apr 22$28.75, Apr 16 - Apr 17$21.88, Apr 17 - Apr 19$33.36, Apr 20 3:31 pm$31.44, Apr 16 - Apr 22$29.40, Apr 19 - Apr 23$31.12, Apr 23 10:19 am$29.40, Apr 19 - Apr 23$25.57, Apr 23 10:19 am$31.12, Apr 26 - Apr 29$29.69, Apr 26 - May 1$25.99, Apr 26 2:56 pm$33.19, Apr 28 3:59 am$31.12, Apr 26 - Apr 29$29.69, Apr 26 - May 1$33.19, May 1 1:21 am$31.89, May 1 - May 6$29.69, Apr 26 - May 1$31.89, May 1 - May 6$29.58, May 2 - May 5$25.00, May 3 7:38 pm$33.37, May 6 2:05 pm$31.89, May 1 - May 6$29.59, May 6 - May 23$32.68, May 8 - May 13$29.59, May 6 - May 23$26.21, May 8 - May 12$32.68, May 8 - May 13$29.59, May 6 - May 23$28.68, May 13 9:28 pm$33.00, May 15 - May 19$29.59, May 6 - May 23$25.65, May 15 - May 17$33.00, May 15 - May 19$29.59, May 6 - May 23$29.01, May 19 2:52 pm$33.32, May 23 - May 25$29.59, May 6 - May 23$29.00, May 23 - May 25$33.32, May 23 - May 25$29.02, May 25 7:33 pm$29.00, May 23 - May 25$33.65, May 30 - Jun 16$29.34, May 30 7:50 am$28.94, May 30 7:50 am$33.65, May 30 - Jun 16$29.31, Jun 3 10:48 pm$28.93, Jun 3 10:48 pm$33.65, May 30 - Jun 16$29.28, Jun 10 - Jun 14$27.08, Jun 8 - Jun 14$33.65, May 30 - Jun 16$29.27, Jun 16 - Jun 20$27.62, Jun 16 9:35 am$33.31, Jun 18 - Jun 22$29.27, Jun 16 - Jun 20$26.61, Jun 20 - Jun 22$33.31, Jun 18 - Jun 22$26.61, Jun 20 - Jun 22$26.34, Jun 22 - Jun 30$32.97, Jun 24 - Jun 30$26.34, Jun 22 - Jun 30$22.99, Jun 24 2:48 am$32.97, Jun 24 - Jun 30$26.34, Jun 22 - Jun 30$23.91, Jun 28 2:42 am$32.97, Jun 24 - Jun 30$26.34, Jun 22 - Jun 30$23.85, Jun 30 - Jul 6$32.64, Jul 4 - Jul 6$30.95, Jul 4 - Jul 6$23.85, Jun 30 - Jul 6$32.96, Jul 9 - Jul 14$29.52, Jul 9 - Aug 1$21.70, Jul 9 1:15 pm$32.96, Jul 9 - Jul 14$29.52, Jul 9 - Aug 1$23.85, Jul 12 6:27 am$32.96, Jul 9 - Jul 14$29.52, Jul 9 - Aug 1$27.61, Jul 14 6:30 am$37.31, Jul 16 - Jul 23$32.63, Jul 16 - Jul 21$29.52, Jul 9 - Aug 1$32.30, Jul 23 - Jul 29$29.52, Jul 9 - Aug 1$29.05, Jul 25 8:42 am$32.30, Jul 23 - Jul 29$29.52, Jul 9 - Aug 1$27.87, Jul 27 4:51 am$32.30, Jul 23 - Jul 29$29.52, Jul 9 - Aug 1$23.75, Jul 29 12:46 am$31.32, Jul 30 - Aug 5$29.52, Jul 9 - Aug 1$23.74, Jul 30 - Aug 1$31.32, Jul 30 - Aug 5$29.48, Aug 3 12:23 pm$24.98, Aug 3 12:23 pm$30.38, Aug 7 - Aug 11$29.48, Aug 7 - Aug 11$24.97, Aug 7 5:54 am$30.38, Aug 7 - Aug 11$29.48, Aug 7 - Aug 11$24.79, Aug 9 6:05 am$30.38, Aug 7 - Aug 11$29.48, Aug 7 - Aug 11$27.89, Aug 11 - Aug 13$29.48, Aug 7 - Aug 11$29.46, Aug 13 - Aug 19$27.89, Aug 17 5:39 am$29.48, Aug 7 - Aug 11$29.46, Aug 13 - Aug 19$27.90, Aug 19 - Aug 21$29.75, Aug 21 - Aug 25$29.48, Aug 7 - Aug 11$27.90, Aug 19 - Aug 21$29.75, Aug 21 - Aug 25$29.48, Aug 7 - Aug 11$27.00, Aug 23 5:18 am$30.04, Aug 27 - Sep 1$29.48, Aug 7 - Aug 11$25.99, Aug 27 - Aug 29$30.04, Aug 27 - Sep 1$29.48, Aug 7 - Aug 11$25.98, Aug 30 11:29 pm$30.04, Aug 27 - Sep 1$29.48, Aug 7 - Aug 11$25.90, Sep 1 8:50 pm$30.33, Sep 3 - Sep 9$30.14, Sep 3 - Sep 5$25.00, Sep 5 - Sep 13$30.33, Sep 3 - Sep 9$30.13, Sep 7 - Sep 9$25.00, Sep 5 - Sep 13$30.48, Sep 11 - Sep 15$30.14, Sep 11 - Sep 15$25.00, Sep 5 - Sep 13$30.48, Sep 11 - Sep 15$30.14, Sep 11 - Sep 15$20.00, Sep 15 5:04 pm$30.14, Sep 11 - Sep 15$29.56, Sep 17 - Sep 23$18.22, Sep 17 - Sep 19$30.14, Sep 11 - Sep 15$29.56, Sep 17 - Sep 23$25.00, Sep 23 2:13 pm$30.14, Sep 11 - Sep 15$28.67, Sep 25 - Oct 1$24.65, Sep 25 2:16 pm$30.14, Sep 11 - Sep 15$28.67, Sep 25 - Oct 1$23.89, Sep 27 1:56 pm$30.14, Sep 11 - Sep 15$28.67, Sep 25 - Oct 1$25.00, Sep 29 1:56 pm$29.81, Oct 3 - Oct 5$29.05, Oct 3 - Oct 29$18.95, Oct 1 - Oct 3$29.81, Oct 3 - Oct 5$29.05, Oct 3 - Oct 29$17.95, Oct 5 6:40 pm$31.00, Oct 9 - Oct 16$29.05, Oct 3 - Oct 29$25.00, Oct 9 - Oct 19$30.69, Oct 19 10:11 pm$29.05, Oct 3 - Oct 29$25.00, Oct 9 - Oct 19$30.38, Oct 23 - Oct 29$29.05, Oct 3 - Oct 29$24.95, Oct 23 - Oct 25$30.38, Oct 23 - Oct 29$29.05, Oct 3 - Oct 29$24.99, Oct 29 4:52 pm$30.07, Nov 2 - Nov 6$29.01, Nov 2 - Nov 6$25.00, Nov 2 4:17 pm$30.07, Nov 2 - Nov 6$29.01, Nov 2 - Nov 6$22.64, Nov 6 7:13 pm$29.77, Nov 8 - Nov 13$23.50, Nov 8 - Nov 17$21.50, Nov 8 9:32 pm$29.47, Nov 15 - Nov 21$23.50, Nov 8 - Nov 17$18.00, Nov 15 2:39 am$29.47, Nov 15 - Nov 21$25.00, Nov 17 - Nov 26$23.50, Nov 8 - Nov 17$29.47, Nov 15 - Nov 21$25.00, Nov 17 - Nov 26$24.89, Nov 19 - Nov 21$29.76, Nov 23 - Nov 26$25.17, Nov 23 11:18 pm$25.00, Nov 17 - Nov 26$29.76, Nov 23 - Nov 26$29.59, Nov 26 5:46 am$25.00, Nov 17 - Nov 26$30.05, Dec 1 - Dec 6$25.46, Dec 1 - Dec 6$24.85, Dec 1 1:43 am$30.05, Dec 1 - Dec 6$25.46, Dec 1 - Dec 6$24.65, Dec 3 1:24 pm$30.05, Dec 1 - Dec 6$25.46, Dec 1 - Dec 6$24.43, Dec 6 12:50 am$30.35, Dec 11 - Dec 21$28.75, Dec 11 - Dec 31$25.00, Dec 11 3:41 am$30.35, Dec 11 - Dec 21$28.75, Dec 11 - Dec 31$26.35, Dec 16 5:00 am$30.35, Dec 11 - Dec 21$29.95, Dec 18 7:06 pm$28.75, Dec 11 - Dec 31$30.35, Dec 11 - Dec 21$28.75, Dec 11 - Dec 31$25.79, Dec 21 6:53 am$29.89, Dec 23 - Dec 26$28.75, Dec 11 - Dec 31$27.95, Dec 23 5:58 pm$29.89, Dec 23 - Dec 26$29.40, Dec 26 1:46 pm$28.75, Dec 11 - Dec 31$29.74, Dec 29 - Dec 31$28.75, Dec 11 - Dec 31$28.60, Dec 29 3:38 am$29.74, Dec 29 - Dec 31$28.75, Dec 11 - Dec 31$25.44, Dec 31 12:28 pm$32.84, Jan 2 11:01 pm$28.43, Jan 2 11:01 pm$25.31, Jan 2 11:01 pm$28.84, Jan 5 - Jan 10$28.37, Jan 5 - Jan 10$21.96, Jan 5 8:37 am$28.89, Jan 7 8:12 pm$28.84, Jan 5 - Jan 10$28.37, Jan 5 - Jan 10$28.84, Jan 5 - Jan 10$28.37, Jan 5 - Jan 10$24.08, Jan 10 7:35 am$28.37, Jan 5 - Jan 10$27.97, Jan 12 - Jan 17$25.00, Jan 12 7:53 pm$28.37, Jan 5 - Jan 10$27.97, Jan 12 - Jan 17$21.97, Jan 15 8:06 am$28.37, Jan 5 - Jan 10$27.97, Jan 12 - Jan 17$21.96, Jan 17 9:16 pm$28.37, Jan 5 - Jan 10$28.11, Jan 20 - Jan 25$21.10, Jan 20 10:10 am$28.11, Jan 20 - Jan 25$27.85, Jan 22 - Jan 25$21.06, Jan 22 11:52 pm$28.11, Jan 20 - Jan 25$27.85, Jan 22 - Jan 25$21.05, Jan 25 1:02 pm$28.25, Jan 28 - Feb 2$28.02, Jan 28 - Jan 30$21.03, Jan 28 - Feb 2$28.25, Jan 28 - Feb 2$28.10, Feb 2 4:54 am$21.03, Jan 28 - Feb 2$28.53, Feb 7 6:55 am$27.23, Feb 7 - Feb 20$23.97, Feb 7 6:55 am$28.24, Feb 12 - Mar 7$27.23, Feb 7 - Feb 20$24.24, Feb 12 - Feb 15$28.24, Feb 12 - Mar 7$27.23, Feb 7 - Feb 20$24.03, Feb 20 12:12 pm$28.24, Feb 12 - Mar 7$26.27, Feb 26 12:11 am$24.00, Feb 26 12:11 am$28.24, Feb 12 - Mar 7$24.20, Mar 7 1:30 pm$18.58, Mar 7 1:30 pm$27.95, Mar 18 10:23 pm$24.02, Mar 18 - Apr 16$23.95, Mar 18 10:23 pm$27.67, Mar 30 - Apr 16$24.02, Mar 18 - Apr 16$23.67, Mar 30 - Apr 5$27.67, Mar 30 - Apr 16$24.02, Mar 18 - Apr 16$21.31, Apr 16 9:38 pm 29,566619,581 468,750 312,500 156,250 Oct Dec Feb Apr Jun Aug Oct Dec Feb Apr Jun 2015 2016

Price Details

New

Latest $27.67 Apr 16, '16
Highest $33.65 May 30, '15
Lowest $10.12 Dec 14, '13
Average $27.78 (30d avg)
$28.09 (90d avg)
$28.99 (180d avg)
$30.30 (365d avg)
$29.74 (Lifetime average)
Added Sep 10, 2013

3rd Party New

Latest $24.02 Apr 16, '16
Highest $31.70 Oct 15, '14
Lowest $23.50 Nov 8, '15
Average $24.02 (30d avg)
$25.75 (90d avg)
$26.71 (180d avg)
$28.06 (365d avg)
$27.94 (Lifetime average)
Added Sep 10, 2013

3rd Party Used

Latest $21.31 Apr 16, '16
Highest $41.17 Jun 8, '14
Lowest $16.10 Jan 31, '15
Average $23.78 (30d avg)
$22.62 (90d avg)
$23.82 (180d avg)
$25.05 (365d avg)
$25.78 (Lifetime average)
Added Sep 10, 2013

Sales Rank

30 day average: 214,240
90 day average: 307,325

Product Description

This hands-on guidebook explains essential statistical and assessment information to help principals make critical and sustainable choices to promote student learning. Broad-based strategies include collecting and analyzing various types of data about student achievement, professional development, allocation of resources, family involvement, and community standards. Part of theseries, this resource:

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