Variable Overhead Spending and Efficiency Variances, Columnar and Formula Approaches Aretha Company provided the following information: Standard variable overhead rate (SVOR) per direct labor hour Actual variable overhead costs Actual direct labor hours worked (AH) Actual production in units Standard hours (SH) allowed for actual units produced Required: $3.70 $206,816 56,200 14,000 56,000 1. Using the columnar approach, calculate the variable overhead spending and efficiency variances. Spending variance Efficiency variance $ 2. Using the formula approach, calculate the variable overhead spending variance. 3. Using the formula approach, calculate the variable overhead efficiency variance. 4. Calculate the total variable overhead variance