Mankato Control Company, which manufactures electrical switches, uses a standard-costing system. The standard production overhead costs per switch are based on direct-labor hours and are as follows:

Variable overhead (5 direct-labor hours @ $12.00 per hour)............$ 60

Fixed overhead (5 direct-labor hours @ $18.00 per hour)*.............. 90

Total overhead.................................................................................$150

*Based on practical capacity of 300,000 direct-labor hours per month.

The following information is available for the month of October.

• Variable overhead costs were $3,510,000.

• Fixed overhead costs were $5,625,000.

• 56,000 switches were produced, although 60,000 switches were scheduled to be produced.

• 275,000 direct-labor hours were worked at a total cost of $3,825,000.

Required:

Compute the variable-overhead spending and efficiency variances and the fixed-overhead budget and volume variances for October. Indicate whether a variance is favorable or unfavorable where appropriate.

(CMA, adapted)