http://www.dansdeals.com/archives/109199How is amazon calculating this to get 2.57 and 2.97?
With 5+ s/s
3.96 - 20% = 3.16 - 15% = 2.69
With less then 5 s/s:
3.96 - 20% = 3.16 - 5% = 3.01
Even with rounding it still doesn't make sense for a difference on ~10 cents
