
- Technical Communication
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Amazon
From $91.66 (New)

From $91.66 (New)

| Last Seen | |
| Highest | $125.75 Feb 1, '16 |
| Lowest | $74.07 Sep 10, '13 |
| Average | $100.64 (90d avg) $99.90 (180d avg) $97.50 (365d avg) $93.25 (Lifetime average) |
| Added | Sep 10, 2013 |
| Latest | $27.40 2 days ago |
| Highest | $96.77 Apr 28, '15 |
| Lowest | $27.40 Mar 29, '16 |
| Average | $27.47 (30d avg) $37.25 (90d avg) $43.53 (180d avg) $53.96 (365d avg) $62.30 (Lifetime average) |
| Added | Sep 10, 2013 |
| Latest | $4.47 2 days ago |
| Highest | $80.89 Jan 14, '15 |
| Lowest | $1.99 Feb 26, '16 |
| Average | $5.99 (30d avg) $11.21 (90d avg) $10.03 (180d avg) $18.47 (365d avg) $36.44 (Lifetime average) |
| Added | Sep 10, 2013 |
30 day average: 25,203
90 day average: 16,868