Managers must decide where in the supply chain to hold inventory. In$$ general, the decision about where to position inventory is based on two general truths $($check two $$answers$)$:

A$.$

The flexibility of inventory decreases as materials move up the supply chain.

B$.$

The cost and value of inventory increase as materials move down the supply chain.

C$.$

The flexibility of inventory decreases as materials move down the supply chain.

D$.$

The cost and value of inventory increase as materials move up the supply chain.