What is the primary purpose of the basic economic order quantity model shown$$ below?

$$Q$*=$ StartRoot StartFraction $2$ DS Over Upper H EndFraction EndRoot

Part $2$

A$.$

to minimize the sum of setup cost and holding cost

B$.$

to maximize the customer service level

C$.$

to calculate the optimum safety stock

D$.$

to minimize the sum of carrying cost and holding cost

E$.$

to calculate the reorder$$ point, so that replenishments take place at the proper time