Google Corporation makes four products in a single facility. These products have the following unit product costs: Products A B C D Direct materials $ 13.60 $ 9.50 $ 10.30 $ 9.90 Direct labor 18.70 26.70 32.90 39.70 Variable manufacturing overhead 3.60 2.00 1.90 2.50 Fixed manufacturing overhead 25.80 34.10 25.90 36.50 Unit product cost $ 61.70 $ 72.30 $ 71.00 $ 88.60 Additional data concerning these products are listed below. Products A B C D Lathing minutes per unit 3.10 4.20 3.60 2.70 Selling price per unit $ 75.40 $ 92.80 $ 86.70 $ 103.50 Variable selling cost per unit $ 1.50 $ 0.50 $ 2.60 $ 0.90 Monthly demand in units 3,300 3,300 2,300 2,500 The lathing machines are potentially the constraint in the production facility. A total of 53,000 minutes are available per month on these machines. Direct labor is a variable cost in this company. How many minutes of lathing machine time would be required to satisfy demand for all four products