The cheque-clearing office of Columbia National Bank is responsible for processing all cheques that come to the bank for payment. Managers at the bank believe that variable overhead costs are essentially proportional to the number of labour-hours worked in the office, so labour-hours is used as the activity base for budgeting and for performance reports for variable overhead costs in the department. Data for September, the most recent month, appear below:

Required
Prepare a variable overhead performance report for September for the cheque-clearing office that includes both spending and efficiency variances. Use Exhibit 13.7 as a guide.

Exhibit 13.7

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Budgeted labour-hours Actual labour-hours Standard labour-hours allowed for the actual number of cheques processed Cost formula (per labour-hour) Variable overhead costs: Office supplies Staff coffee lounge Indirect labour Total variable overhead cost £0.10 0.20 0.90 £1.20 3,080 3,100 3,200 Actual costs incurred in September £365 520 2,710 £3,595