When quantity discounts are$$ allowed, the$$ cost$-$minimizing order$$ quantity:

Part $2$

A$.$

minimizes the unit purchase price.

B$.$

may be a quantity below that at which one qualifies for that price.

C$.$

is always an EOQ quantity.

D$.$

minimizes the sum of holding and ordering costs.

E$.$

minimizes the sum of$$ holding, ordering, and product costs.