Quantity Discount : 24% to 32% off 5+ @ 24% : 1310.68 + 235.92 (18%) = 1546.60 10+ @ 28% : 1241.69 + 223.50 (18%) = 1465.19 15+ @ 32% : 1172.71 + 211.09 (18%) = 1383.80