Your Corporation's flexible budget cost formula for supplies, a variable overhead cost, is $2.17 per unit of output. The company's flexible budget performance report for last month showed a $4,531 favorable variance for supplies. During that month, 20,000 units were produced, Budgeted activity for the month had been 16,500 units. What was the actual costs incurred for indirect materials? O $1.94 O $2.17 O $2.44 O $1.90 O $2.40