Quantity Discount : 24% to 32% off 5+ @ 24% : 9280.37 + 1670.47 (18%) = 10950.84 10+ @ 28% : 8791.93 + 1582.55 (18%) = 10374.48 15+ @ 32% : 8303.49 + 1494.63 (18%) = 9798.12