Required information The Foundational 15 (Algo) [LO9-1, LO9-2, LO9-4, LO9-5, LO9-6] [The following information apples to the questions displayed below] Preble Company manufactures one product. Its variable manufacturing overhead is applled to production based on direct labor-hours and its standard cost card per unit is as follows: The company also established the following cost formulas for its selling expenses: The planning budget for March was based on producing and selling 20,000 units. However, during March the company actually produced and sold 25,500 units and incurred the following costs: a. Purchased 170,000 pounds of raw materials at a cost of $7.20 per pound. All of this material was used in production. b. Direct-laborers worked 73,000 hours at a rate of $14.00 per hour. c. Total variable manufacturing overhead for the month was $427,050 d. Total advertising, sales salaries and commissions, and shipping expenses were $386,000,$545,000, and $295,000. respectively. Foundational 9.6(Algo) 6. What direct labor cost would be included in the company's flexible budget for March? 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 (1.e., zero variance.). Input the amount as a positive value.) 8. What is the direct labor rate varlance for March? (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (.e., zero variance.). Input the amount as a positive value.)