9. Broze Company makes four products in a single facility. These products have the following unit product costs Product Direct materials Direct labor Variable manufacturing overhead Fixed manufacturing overhead $26.30 31.40 16.30 38.50 B $22.20 39.40 14.70 46.80 $23.00 45.60 14.60 38.60 D $22.60 52.40 15.20 49.20 $112.50 $123.10 $121.80 $139.40 Unit produced cost Additional data concerning these products are listed below. Product Grinding minutes per unit Selling price per unit Variable selling cost per unit Monthly demand in units A 5.00 $82.10 3.40 5,200 B 6.50 $99.50 2.40 5,200 C 5.50 $93.40 4.50 4,200 D 4.60 $110.20 2.80 3,200 The grinding machines are the constraint in the production facility. A total of 77,600 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? 25,000 97,620 O 77,600 O 71,620