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: During June, the plant produced 16,000 pools and incurred the following costs: a. Purchased 62,000 pounds of material at a cost of $4.95 per pound. b. Used 49,200 pounds of materials in production. c. Worked 11,800 direct labor hours at a cost of $16.50 per hour. d. Incurred variable manufacturing overhead cost totaling 18,290 for the month. A total of 5.900 machine-hrs were recorded. REQUIRED: (SHOW YOUR WORK) I. Compute the following variances for June: a. Materials price and quantity variances. b. Labor rate and efficiency variances. c. Variable overhead rate and efficiency variances. 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