[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 materials: 4 pounds at $10 per pound Direct labor: 2 hours at $13 per hour Variable overhead: 2 hours at $9 per hour Total standard cost per unit $ 40 26 18 $ 84 The planning budget for March was based on producing and selling 29,000 units. However, during March the company actually produced and sold 34,000 units and incurred the following costs: a. Purchased 160,000 pounds of raw materials at a cost of $8.50 per pound. All of this material was used in production b. Direct laborers worked 59,000 hours at a rate of $14 per hour. c. Total variable manufacturing overhead for the month was $564,040. Required 6. If Preble had purchased 174,000 pounds of materials at $8.50 per pound and used 160,000 pounds in production, what would be the materials quantity variance for March? (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance.). 10. What is the labor efficiency variance for March? 11. What is the labor spending variance for March? 12. What variable manufacturing overhead cost would be included in the company's planning budget for March? 13. What variable manufacturing overhead cost would be included in the company's flexible budget for March? 14. What is the variable overhead rate variance for March? (Round the actual overhead rate to two decimal places. Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance.). Input all amounts as positive values.) 15. What is the variable overhead efficiency variance for March