Please help in solving this problem.

Glocker Company makes three products in a single facility. These products have the following unit product costs: Direct materials $ 34.70 $ 51.20 $ 57.60 Direct labor $ 22.10 $ 24.70 $ 15.50 Variable manufacturing overhead $ 1.90 1.30 $ 1.20 Fixed manufacturing overhead 11.80 7.40 8.00 Unit product cost $70.50 $84.60 $82.30 Additional data concerning these products are listed below. Mixing minutes per unit 1.10 0.90 0.20 Selling price per unit $ 77.00 $ 99.40 $ 92.90 Variable selling cost per unit $ 2.50 $ 3.00 $ 2.80 Monthly demand in units 2,700 4,000 2,000 The mixing machines are potentially the constraint in the production facility. A total of 6,870 minutes are available per month on these machines. Direct labor is a variable cost in this company. Required: a. How many minutes of mixing machine time would be required to satisfy demand for all three products? Total minutes required