I need some assistance finishing the following problem.

Company made 1500 shirts but budgeted for 1625 shirts.

13. Calculate the variable overhead cost variance.

Select the?formula, then enter the amounts and compute the cost variance for variable overhead?(VOH) and identify whether the variance is favorable?(F) or unfavorable?(U).

(Actual Cost-Standard Cost) x Actual Quantity =VOH Cost Variance

(blank - .90) x 6900 = blank (F, or U)