Answer the Following Questions Using the Information Below

Answer the following questions using the information below:
Red Sea Corporation manufactured 16,000 air conditioners during November. The overhead cost-allocation base is $31.50 per machine-hour. The following variable overhead data pertain to November:

-What is the variable overhead spending variance?

A) $4,500 favorable
B) $3,937.50 unfavorable
C) $4,500 unfavorable
D) $3,937.50 favorable