The measure of activity in the standard costing system used at Williamson CVBA is fabrication hours. The company's flexible manufacturing overhead budget and then data regarding the most recent period's operations are given below: Flexible Budget: Budgeted Level of Activity: 8,600 fabrication hours Overhead costs at the Budgeted activity level: Variable Overhead Cost: $50,396 Fixed Overhead Cost: $62,436 Most Recent period's operations: Actual level of activity: 8,500 fabrication hours Standard level of activity for output: 8,780 fabrication hours Actual total variable overhead cost: $49,215 Actual total fixed overhead cost: $66,725 PART A What is the variable overhead rate variance?Answer 1 Question 26 PART B What is the variable overhead efficiency variance?Answer 2 Question 26 PART C What is the fixed overhead budget variance?Answer 3 Question 26 PART D What is the fixed overhead volume variance?Answer 4 Question 26