Inman Corporation manufactures a single product. The standard cost per unit of product is as follows: Direct materials2 kg of plastic at $5.20 per kilogram | | $10.40 | | Direct labour2 hours at $11.25 per hour | | 22.50 | | Variable manufacturing overhead | | 8.55 | | Fixed manufacturing overhead | | 5.45 | | Total standard cost per unit | | $46.90 | | The master manufacturing overhead budget for the month based on the normal productive capacity of 20,000 direct labour hours (10,000 units) shows total variable costs of $80,000 ($4 per labour hour) and total fixed costs of $60,000 ($3 per labour hour). Normal production capacity is 20,000 direct hours. Overhead is applied based on direct labour hours. Actual costs for producing 9,760 units in November were as follows: Direct materials (20,500 kg) | | $104,550 | | Direct labour (19,520 hours) | | 223,504 | | Variable overhead | | 78,000 | | Fixed overhead | | 59,000 | | Total manufacturing costs | | $465,054 | | The purchasing department normally buys the quantities of raw materials that are expected to be used in production each month. Raw materials inventories, therefore, can be ignored. | | | |