please answer question 21 and 22

chapter. Use the same inputs as the example, and lot sizes of 70, but change the MPS rule from tion to schedule production when the projected as handicatory would be less than 10 with 19. Prepare a master production schedule for industrial pumps in the manner of Figure 11.1 in the ut your plan using these costs: Hiring $300 Layoff $400 $1.00 $6.00 35 Regular Overtime Part-time Subcontract $5.00 $7.50 NA NA Inventory Back order 3 20 12 Use a production lot size of 75 unts and no beginning inventory FIGURE 11.11 Projected on-hand inventory and MPS are added to the master schedule production." 20. Update the master schedule shown in Figure tall given these updated inputs. It is now the end of week 1: customer orders are 25 for week 2. 16 for week 3. 1. for week 48 for week 5, and 3 for week 6. Use the MPS rule of ordering production when projected on hund inventory would be negative without production. Prepare the master schedule for weeks 2 through 21. Prepare a master schedule that shown in Figure 11 given this information: The forecast for cach week of an eight-weck schedule is 50 mts. The MIPS rule is to schedule production if the projected on hand inventory would be see weer onderscores follows Customer Orders 52 Jury 3 64 1 2 4 5 6 7 8 Forecast 30 30 30 20 10 10 20 40 Week 1 2 35 3 20 4 12 Use a production of size of 75 nits and no being inventory 22. Determine the available to promise (ATP) quantities for each period for Problem 21. 23. Prepare a schedule like that shown in Figure 12 for the following station: The Forecast is 80 units for each of the first two periods and for each of the next three periods. The starting inventory is 20 units. The company chase seg for determining the production for sine, except there an upper limit on the lot size of 70 units. Also, the desired safety stack is 10 units Now: The ATP quantities are based on allowable production 33 Customer orders committed 20 10 4 2 1 41 31 11 41 1 31 61 Projected on hand Inventory 70 70 70 MPS