Problem 11-21 (Algo) Prepare a master schedule given this information: The forecast for each week of an eight-week schedule is 60 units. The MPS rule is to schedule production if the projected on-hand inventory would be negative without it. Customer orders (committed) are as follows: Week 1 2 3 4 Customer Orders 55 35 20 12 June Use a production lot size of 80 units and no beginning inventory. (In the ATP row, enter a value of 0 (zero) in any periods where ATP should not be calculated. Leave no cells blank - be certain to enter "0" wherever required.) July 2 4 5 6 Forecast Customer Orders Projected On-Hand Inventory 3 7 8 60 60 55 60 35 60 20 60 12 60 0 60 0 60 0 0 MPS ATP