Managerial Accounting: P8-12 Miller Toy Company manufactures a plastic swimming pool

Managerial Accounting

P8-12A Comprehensive Variance Analysis
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
Sales (15,000 pools) 450,000 450,000
Less variable expenses:
Variable cost of goods sold* 180,000 196,290
Variable selling expenses 20,000 20,000
Total variable expense 200,000 216,290
Contribution margin 250,000 233,710
Less fixed expenses:
Manufacturing overhead 130,000 130,000
Selling and administrative 84,000 84,000
Total fixed expenses 214,000 214,000
Net operating income $36,000 $19,710
*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 or Hours Standard Price or Rate Standard Cost
Direct materials 3.0 pounds $2.00 per pound 6.00
Direct labor 0.8 hour $6.00 per pound 4.80
Variable manufacturing overhead 0.4 hour * $3.00 per pound 1.20
Total standard cost $12.00
*Based on machine-hours.

Ms. Dunn has determined that during June the plant produced 15,000 pools and incurred the following costs:
a. Purchased 60,000 pounds of materials at a cost of $1.95 per pound.
b. Used 49,200 pounds of materials in production. (finished goods and work in process inventories are insignificant and can be ignored.)
c. Worked 11,800 direct labor-hours at a cost of $7.00
d. Incurred variable manufacturing overhead cost totaling $18,290 for the month. A total of 5,900 machine-hours was recorded.
e. It is the company's policy to close all variances to cost of goods sold on a monthly basis.
1. Compute the following variance for June:
a. Direct materials price and quantity variances.
b. Direct labor rate and efficiently variances
c. Variable overhead spending and efficiently variances
2. Summarize the variances that you computed in (1) above by showing the net overall favorable or unfavorable variance for the month. What impact did this figure have on the company's income statement? Show computations.
3. Pick out the two most significant variances that you computed in (1) above. Explain to Ms. Dunn possible cause of these variances. Based on the computations in (1), the 2 most significant variances would be the direct materials quantity variance and direct labor rate variance.
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