Cost of not carrying sufficient inventory is known as:

Carrying cost is the cost of holding inventory, such as the cost of storage, insurance, and obsolescence.

Total cost is the sum of carrying cost and stock-out cost.

A is incorrect because carrying cost is the cost of holding inventory, not the cost of not carrying sufficient inventory.

B is incorrect because holding cost is the cost of storing inventory, not the cost of not carrying sufficient inventory.

C is incorrect because total cost is the sum of carrying cost and stock-out cost, not the cost of not carrying sufficient inventory.