Required information The Foundational 15 (L09-1, LO9-2, LO9-4, LO9-5, LO9-6) 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: 15 Direct material: 8 pounds at $10.00 per pound $ 80.00 Direct Iabor: 5 hours at $10 per hour 65.00 Variable overhead: 5 hours at sa per hour 40.00 total standard variable cost per unat $185.00 The company also established the following cost formulas for its selling expenses: ces Fixed Cont per Month $ 290,000 5280.000 Variable Cont per Unit sola 521.00 $12.00 Advertising Sales salaries and commissione Shipping expenses The planning budget for March was based on producing and selling 15,000 units. However, during March the company actually produced and sold 17,000 units and incurred the following costs: a. Purchased 170.000 pounds of raw materials at a cost of $8.00 per pound. All of this material was used in production b. Direct-laborers worked 64,000 hours at a rate of $14.00 per hour. c. Total variable manufacturing overhead for the month was $513.920 d. Total advertising, sales salaries and commissions, and shipping expenses were $300,000, $500,000, and $205,000 respectively Foundational 9-10 10. What is the variable overhead efficiency variance for March? (Indicate the effect of each variance by selecting "P" for favorable, "U" for unfavorable, and "None" for no effect (.e., zero variance.), Input the amount as a positive value.) Variable overtad emocy variance