Quantity Discount : 24% to 32% off 5+ @ 24% : 2739.22 + 493.06 (18%) = 3232.28 10+ @ 28% : 2595.05 + 467.11 (18%) = 3062.16 15+ @ 32% : 2450.88 + 441.16 (18%) = 2892.04