Quantity Discount : 24% to 32% off 5+ @ 24% : 1199.25 + 215.87 (18%) = 1415.12 10+ @ 28% : 1136.13 + 204.50 (18%) = 1340.63 15+ @ 32% : 1073.01 + 193.14 (18%) = 1266.15