Use the information in partially completed BELOW. What is the available-to-promise (ATP) inventory in week ? Item A Order Policy: 60 units Lead Time: I week 5 6 2 20 30 Week 3 4 40 20 15 15 7 10 8 30 12 Quantity on Hand 551 Forecast 30 Customer orders (booked) 40 Projected on Hand MPS quantity MPS Start Available to promise a. 55 b. 10 oco O d. 43 . 15