When Supplies Ordered for Use in an Activity Accounted for in the General

When supplies ordered for use in an activity accounted for in the General Fund of a government are received at an actual price which is less than the estimated price on the purchase order,the Encumbrance Control account is:

A) credited for the estimated price on the purchase order.
B) debited for the estimated price on the purchase order.
C) debited for the actual price for the supplies received.
D) credited for the actual price of the supplies received.