TB MC Qu. 5A-18 lacob Corporation is a... 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 $156.00 per unit Sales volume (units) Cost of sales Selling and administrative costs 15,700 $1,193,200 $ 645,000 17,120 $1,301,120 $ 684,760 The best estimate of the total contribution margin when 16,980 units are sold is: Multiple Choice O $882,960 $996,990 Oo O $431170