lacob Corporation is a wholesaler that sells a single product. Management has provided the following cost data for two levels of monthly sales volume. The company sells the product for $149.00 per unit. Sales volume (units) Cost of sales Selling and administrative costs 15,600 $1,185,600 $ 676,000 17,520 $1,331,520 $ 714,400 The best estimate of the total contribution margin when 15,910 units are sold is: Multiple Choice O $303,570 $843,230 O ennen C The best estimate of the total contribution margin when 15,910 units are sold is: Multiple Choice $303,570 $843,230 $957,260 $400,730