D ked ond of Sad Sack and Strange Mitchell Limited produces a single product-premium wool sleeping bags Variable manufacturing overhead is applied to products based on direct machine-hours The standard costs for one unit of product are as follows Direct Material: 8 metres at $8.00 per metre $64.00 Direct Labour: 1.5 hours at $20.00 per hour $30.00 Variable Manufacturing Overhead: 2.5 machine-hours at $18.00 per $45.00 hour Total Standard Variable Cost Per Unit $139.00 During the month of August, 84,000 units were produced. The actual costs incurred with August's operations were as follows: Direct Material Purchased: 698,000 metres Material Used in Production: 655,000 metres Total Cost $5,688,700.00 Direct Labour: 129,000 hours Variable Manufacturing Overhead Actual total machine-hours for August totalled 205,000. Total applied variable manufacturing overhead totalled $3,690,000. Required: $2,688,000.00 $3,570,000.00 1. Compute all the key variances for direct materials, direct labour, and variable manufacturing