History Dec Future Apr Jan Feb Mar Sales Forecast (in units) 420 280 470 320 Operations Plan (in units) (in employees) Number working days/mo. Ending Inventory Plan i n units) Days of supply Employee daily productivity: December ending inventory: Total production in the 3 months: Number of employees required: SEE Employee daily productivity: December ending inventory: Total production in the 3 months: Number of employed required: A company uses a level strategy with constant number of employees to make its sales and operations plan for January through March. Calculate the numbers in the shaded area using the nine steps. 1. Desired March ending inventory: 2. Total production in the 3 months: 3. Number of employees required: 4. Operations plan for each month: 5. Jan ending inventory: 6. Feb ending inventory: 7. Dec ending inventory days of supply: 8. Jan ending inventory days of supply: 9. Feb ending inventory days of supply