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 D $13.40 $ 9.30 $10.10 $ 9.70 18.se 26.50 32.70 39.50 3.40 1.se 1.70 2.30 25.60 33.92 25.70 36.30 $69.90 $71.5e $70.20 $87.80 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 2.90 3.se 3.4e 2.se $75.29 $92.60 $86.5e $103.30 $ 1.30 $ 0.30 $ 2.40 $ 0.70 3,100 3,100 2,100 2,300 The grinding machines are potentially the constraint in the production facility. A total of 52,800 minutes are available per month on these machines. Direct labor is a variable cost in this company. How many minutes of grinding machine time would be required to satisfy demand for all four products? Multiple Choice 33.660 O 7.240 O 24.670 52.800