how do i solve ?

The Perry Corporation recorded the following budgeted and actual information relating to fixed overhead costs for its Z-Line of products: Standard fixed overhead per direct labor hour Standard direct labor hours per unit Budgeted production Budgeted fixed overhead costs $5.50 0.25 2,700 $3,712.50 Actual production in units Actual fixed overhead costs incurred 4,100 $1,600.00 What is Perry's fixed manufacturing overhead volume variance? O A. $2,112.50 favorable B. $1,925.00 favorable C. $1,925.00 unfavorable O D. $2,112.50 unfavorable