Miller Toy Company manufactures a plastic swimming pool at its Westwood Plant. The plant has been experiencing problems as shown by its June contribution format income statement below: Budgeted Actual $290,000 $290,000 Sales (8,000 pools) Variable expenses: Variable cost of goods sold 104,400 124,770 Variable selling expenses 20,000 20,000 Total variable expenses 124,400 144,770 Contribution margin 165,600 145,230 Fixed expenses: Manufacturing overhead 68,000 68,000 86,000 86,000 Selling and administrative Total fixed expenses 154,000 154,000 11,600 (8,770) Net operating income (loss) *Contains direct materials, direct labor, and variable manufacturing overhead. Janet Dunn, who has just been appointed general manager of the Westwood Plant, has been given instructions to "get things under control." Upon reviewing the plant's income statement, Ms. Dunn has concluded that the major problem lies in the variable cost of goods sold. She has been provided with the following standard cost per swimming pool Standard Quantity Standard Price Standard or Hours or Rate Cost 7.92 Direct materials 3.6 pounds $2.20 per pound Direct labor $7.70 per hour 0.5 hours 3.85 Variable manufacturing overhead 0.4 hours $3.20 per hour 1.28 13.05 Total standard cost *Based on machine-hours. During June the plant produced 8,000 pools and incurred the following costs: a. Purchased 33,800 pounds of materials at a cost of $2.65 per pound. b. Used 28,600 pounds of materials in production. (Finished goods and work in process inventories are insignificant and can be ignored.) c. Worked 4,600 direct labor-hours at a cost of $7.40 per hour d. Incurred variable manufacturing overhead cost totaling $12,600 for the month. A total of 3,500 machine-hours was recorded. It is the company's policy to close all variances to cost of goods sold on a monthly basis