The Actual Margin Per Unit and Margin Per Unit Estimated

Multiple Choice

The actual margin per unit and margin per unit estimated in the plan are $6 and $8,respectively.The actual volume and the volume estimated in the plan are 5,000 units and 10,000 units,respectively.What is the margin variance of the business?

A) -$10,000
B) $10,000
C) -$20,000
D) $20,000
E) $5,000