10. What is the variable overhead efficiency variance for March?

11. What is the variable overhead rate variance for March?

12. What amounts of advertising, sales salaries and commissions, and shipping expenses would be included in the company's flexible budget for March?

Required information [The following information applies to the questions displayed below.] Preble Company manufactures one product. Its variable manufacturing overhead is applied to production based on direct labor-hours and its standard cost card per unit is as follows: Direct material: 6 pounds at $8.00 per pound Direct labor: 4 hours at $17 per hour Variable overhead: 4 hours at $4 per hour Total standard variable cost per unit $ 48.00 68.00 16.00 $ 132.00 Month Unit Sold The company also established the following cost formulas for its selling expenses: Variable Fixed Cost per cost per Advertising $ 370,000 Sales salaries and commissions $ 440,000 $ 29.00 Shipping expenses $ 20.00 The planning budget for March was based on producing and selling 19,000 units. However, during March the company actually produced and sold 24,000 units and incurred the following costs: a. Purchased 160,000 pounds of raw materials at a cost of $7.20 per pound. All of this material was used in production. b. Direct-laborers worked 72,000 hours at a rate of $18.00 per hour. c. Total variable manufacturing overhead for the month was $336,960. d. Total advertising, sales salaries and commissions, and shipping expenses were $374,000, $540,000, and $285,000, respectively