21.

Given the forecast and booked orders shown in the table below, and a beginning inventory of 45, what is the master production schedule quantity for period 4 if you want to end period 4 with 0 inventory?

Period	1	2	3	4
Forecasted Demand	70	65	60	55
Booked Orders	80	60	30	50
Projected ending inventory
Master production schedule	70	60	65
Available to Promise	0

Group of answer choices

35

30

20

25