Quantity Discount : 24% to 32% off 5+ @ 24% : 1938.65 + 348.96 (18%) = 2287.61 10+ @ 28% : 1836.61 + 330.59 (18%) = 2167.20 15+ @ 32% : 1734.58 + 312.22 (18%) = 2046.80