A$.$ varying workforce size

B$.$ back$-$ordering during high$-$demand periods

C$.$ varying production rates through overtime or idle time

D$.$ subcontracting

E$.$ changing inventory levels

QUESTION $32$

Which of these aggregate planning strategies is a capacity option?

A$.$ promotion

B$.$ changing price

C$.$ counterseasonal product mixing

D$.$ back ordering

E$.$ using part$-$time workers