A manufacturing company is attempting to implement a just$-$in$-$time $($JIT$)$ purchase policy system by negotiating with its primary suppliers to accept long$-$term purchase orders which result in more frequent deliveries of smaller quantities of raw materials. If the JIT purchase policy is successful in reducing the total inventory costs of the manufacturing company, which of the following combinations of cost changes would be most likely to occur?

Cost Category

Cost Category

to Increase

to Decrease

A$.$

Purchasing costs

Stockout costs

B$.$

Purchasing costs

Quality costs

C$.$

Stockout costs

Carrying costs

D$.$

Quality costs

Ordering costs