Prepare a master production schedule based on the following information: Week: 1 2 3 4 5 6 7 8 Forecast 100 100 120 120 150 150 185 180 Orders 106 94 65 40 21 9 2 0 Beginning inventory: 150 Schedule production whenever projected-on-hand drops below 20. The production lot size is 250 units. What is the difference between the Available to Promise Inventory and the Projected On Hand Inventory) for Period 7