Onyx Company has prepared a static budget at the beginning of the month. At the end of the month, the following information has been retrieved from the records. Static budget: Sales volume: 2,000 units: Price: $50 per unit Variable expense: $12 per unit: Fixed expenses: $25,000 per month Operating income: $51,000 Actual results: Sales volume: 1,800 units: Price: $58 per unit Variable expense: $16 per unit: Fixed expenses: $35,000 per month Operating income: $40,600 Calculate the flexible budget variance for variable expenses.

Select one:

A. $5,490 U

B. $2,970 U

C. $3,960 F

D. $7,200 U