4. MAKE-TO-STOCK PROBLEM 10 points A manufacturing line has a sales are forecast as shown in the following. The expected opening inventory is 700 units, and the company wants to reduce that to 550 by the end of the planning period. The number of working days is the same for each period. There are no back orders. All periods have the same number of working days. (use make-to-stock solution) Given: Period (month) 1 2 3 4 5 6 TOTAL Sales Forecast 800 700 700 900 800 600 4500 Planned Production Inventory 700 A. Calculate the planned Production each period B. Calculate the expected period-end inventory. Your