Q:8 E3-13 The Welding Department of Thorpe Company has the following production and manufacturing cost data for February 2014. All materials are added at the beginning of the process. Manufacturing Costs Production Data Beginning work in process Beginning work in process 15,000 units Materials $18,000 1/10 complete Conversion costs 14,175 $ 32,175 Units transferred out 49,000 Materials 180,000 Units started 45,000 Labor 52,380 Ending work in process 11,000 units Overhead 61,445 1/5 complete Instructions Prepare a production cost report for the Welding Department for the month of February 1 Q:9 a. Calculate the per-unit contribution margin of a product that has a sale price of $150 if the variable costs per unit are$ 40. b. Calculate the per-unit contribution margin of a product that has a sale price of$350 if the variable costs per unit are$95