The Ferguson Company estimated that October sales would be 100,000 units with an average selling price of $6.00. Actual sales for October were 105,000 units and average selling price was $5.95.
The sales revenue flexible budget variance was:

A. $5,000 favorable.
B. $5,250 unfavorable.
C. $5,000 unfavorable.
D. $5,250 favorable.