Fixed Overhead Variance?

What is the formula for calculating Total Fixed Overhead Variance? ( ) a. Total Fixed Overhead Variance = Actual Fixed Overhead - Budgeted Fixed Overhead ( ) b. Total Fixed Overhead Variance = Actual Fixed Overhead - Applied Fixed Overhead ( ) c. Total Fixed Overhead Variance = Budgeted Fixed Overhead - Applied Fixed Overhead ( ) d. Total Fixed Overhead Variance = Budgeted Fixed Overhead - Actual Fixed Overhead