choice questions with justification

4. Is the compensatory exchange between customer service levels and inventory costs for determining optimal inventory balances.

a. Logistics Total cost tradeoff

b. carrying cost and ordering cost tradeoff

c. carrying cost and stockout cost tradeoff

d. b and c e. a and b

5. Which of the following is not considered to be an objective of purchasing?

a. Waste reduction b. Supplier negotiations

c. Placing POs

d. Supplier evaluation

e. To ensure timely delivery.