Bruce Corporation makes four products in a single facility. These products have the following unit product costs: Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead Unit product cost Products A B C D $15.90 $19.80 $12.80 $15.50 17.90 21.30 15.70 9.70 4.70 5.90 8.40 5.40 27.80 14.70 14.80 16.80 $66.30 $61.70 $51.70 $ 47.40 Additional data concerning these products are listed below. Grinding minutes per unit Selling price per unit Variable selling cost per unit Monthly demand in units Products A B C D 2.15 1.25 0.85 0.45 $80.20 $72.60 $69.40 $64.10 $ 2.90 $ 3.40 $ 3.10 $ 3.80 3,300 2,300 2,300 4,300 The grinding machines are potentially the constraint in the production facility. A total of 10,500 minutes are available per month on these mach Direct labor is a variable cost in this company. Which product makes the MOST profitable use of the grinding machines? (Round your intermediate calculations to 2 decimal places.) Multiple Choice