Problem 23-7A Rogen Corporation manufactures a single product. The standard cost

Question

Problem 23-7A Rogen Corporation manufactures a single product. The standard cost per unit of product is shown below Direct materials-1 pound plastic at $6.00 per pound Direct labor-0.5 hours at $11.00 per hour Variable manufacturing overhead 6.00 5.50 2.75 2.25 $16.50 Fixed manufacturing overhead Total standard cost per unit The predetermined manufacturing overhead rate is $10 per direct labor hour ($5.00 ÷ 0.5). It was computed from a master manufacturing overhead budget based on normal production of 2,500 direct labor hours (5,000 units) for the month. The master budget showed total variable costs of $13,750 ($5.50 per hour) and total fixed overhead costs of $11,250 ($4.50 per hour). Actual costs for October in producing 4,200 units were as follows Direct materials (4,300 pounds) Direct labor (2,000 hours) Variable overhead $ 26,230 22,400 14,700 8,100 $71,430 Fixed overhead Total manufacturing costs The purchasing department buys the quantities of raw materials that are expected to be used in production each month. Raw materials inventories, therefore can be ignored Compute the overhead controllable variance and the overhead volume variance Overhead controllable variance Overhead volume variance

Explanation / Answer

Overhead controllable variance: Actual Factory Overhead - Budgeted Allowance Based on Standard Hours Allowed

* 4,200 Units X 0.50 Hours Per Unit

Actual overhead 22800 Fixed expenses budgeted (2,500 × 4.50) 11250 11550 Variable expenses for standard hours allowed (2,100*× $5.50) 11,550 Controllable variance Nil Nil

* 4,200 Units X 0.50 Hours Per Unit

Overhead Volume Variance: Budgeted Factory Overhead - Budgeted Allowance Based on Standard Hours Allowed for Actual Quantity produced. Budgeted Overhead 25000 Fixed expenses budgeted (2,500 × 4.50) 11250 13750 Variable expenses for standard hours allowed (2,100*× $5.50) 11,550 Volume variance 2,200 (Adverse)

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