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 $166.00 per unit. Sales volume (units) Cost of sales Selling and administrative costs 8,800 9,97 $677,600 $767,690 $688,000 $714,910 The best estimate of the total contribution margin when 9.970 units are sold is: Multiple Choice O $772,050