Quantity Discount : 29% to 36% off 5+ @ 29% : 1539.32 + 277.08 (18%) = 1816.40 10+ @ 33% : 1458.31 + 262.50 (18%) = 1720.81 15+ @ 36% : 1377.29 + 247.91 (18%) = 1625.20