Dolphin Company produces and sells four products: A, B, C and D. The company uses the traditional approach to determine its most profitable product mix. Direct labor is the constraint. The following data relate to its four products: Weekly Selling Price Variable Cost Direct Material Labor Time in Product Demand (in Cost per Unit Hours per Unit Units) A 180 400 200 5 B 120 280 120 100 2 90 360 220 20 4 D 150 300 150 60 per Unit per Unit 50 C 3 There are total of 990 hours available per week. Total fixed costs are $3,100 per week. Problem 3-3 How many units of product D should be produced each week? 150 130 90 00