Using the information in P22-1B, compute the overhead controllable variance and the overhead volume variance.

Data from P22-1B

Korte Corporation manufactures a single product. The standard cost per unit of product is as follows.
Direct materials—2 pounds of plastic at $5 per pound ........................ $10
Direct labor—2 hours at $12 per hour ..................................................... 24
Variable manufacturing overhead ............................................................. 8
Fixed manufacturing overhead .................................................................. 6
Total standard cost per unit ................................................................... $48

The master manufacturing overhead budget for the month based on normal productive capacity of 20,000 direct labor hours (10,000 units) shows total variable costs of $80,000 ($4 per labor hour) and total fixed costs of $60,000 ($3 per labor hour). Normal productive capacity is 20,000 direct labor hours. Overhead is applied on the basis of direct labor hours. Actual costs for November in producing 9,700 units were as follows.

Direct materials (20,000 pounds) ............................. $ 98,000
Direct labor (19,600 hours) ........................................ 239,120
Variable overhead ........................................................ 79,100
Fixed overhead ............................................................. 59,000
Total manufacturing costs ...................................... $475,220