[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: 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 24,800 units and incurred the following costs: a. Purchased 155,000 pounds of raw materials at a cost of $7.20 per pound. All of this material was used in production. b. Direct-laborers worked 65,000 hours at a rate of $15.00 per hour. c. Total variable manufacturing overhead for the month was $612,300. d. Total advertising, sales salaries and commissions, and shipping expenses were $303,000,$505,000, and $215,000, respectively. What variable manufacturing overhead cost would be included in the company's flexible budget for March