Required information The Foundational 15 [L09-1. LO9-2, L09-4, LO9-5, L09-6) [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: Direct materiali o pounds at $10.00 per pound $ 80.00 Direct labort 5 hours at $13 per hour 65.00 Variable overhead 5 hours at $8 per hour 40.00 Total standard variable coat per unit $185.00 The company also established the following cost formulas for its selling expenses: Variable Tixed cost Cont per per Month Unit Sold Mdvertising $ 290,000 sales salaries and commissione $ 280,000 321.00 shipping expenses 512.00 The planning budget for March was based on producing and selling 15,000 units. However, cturing 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 9-7 7. What is the direct labor efficiency variance for March? (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (ie, zero variance.). Input the amount as a positive value.) Direct labor officiency variance