Why Is the Direct Materials Price Variance Based on the Quantity

Multiple Choice

Why is the direct materials price variance based on the quantity of materials purchased, but the direct materials quantity variance on the quantity of materials used?

A) Managers need to isolate variances and take corrective action as soon as possible.
B) Production managers are only interested in the quantity purchased.
C) The quantity used in production is not known until units are produced.
D) Managers are required by GAAP to isolate the price variance at the latest point possible.