Requisitions are used in job order costing to record the cost and quantity of: - both direct and indirect materials - requested by the production department - only indirect materials requested by the production department - only direct materials requested by the production department

In job order costing only direct materials requested by the production department ar recorded to the cost.

Explanation:

In job order costing, only direct materials and direct labor are recorded at their actual cost, generally overhead cost are usually estimated. Each material used can perfectly be identified in the finished goods or services. So is each labor.

The law of supply is a microeconomic law which says  "...all other factors being equal, as the price of a good or service increases, the quantity of goods or services that suppliers offer will increase, and vice versa..."