IThe following information applies to the questions displayed below.J Preble Company manufactures one product. Its varlable manufacturing overhead is applied to production based on direct labor-hours and Its standard cost card per unit is as follows Direct material: 6 pounds at $9.00 per pound Direct labor: 5 hours at $13.00 per hour Varlable overhead: 5 hours at $3.00 per hour S 54.00 65.00 15.00 Total standard varlable cost per unit $134.00 The company also established the following cost formulas for its selling expenses: Fixed Cost per Month $260,000 $120,000 Variable Cost per Unit Sold Advertising Sales salaries and commissions Shipping expenses 11.00 $ 4.00 The planning budget for March was based on producing and selling 20,000 units. However, during March the company actually produced and sold 25,000 units and Incurred the following costs: Purchased 180,000 pounds of raw materials at a cost of $7.50 per pound. All of this material was used in production a. b. Direct-laborers worked 115,000 hours at a rate of $14.00 per hour. c. Total variable manufacturing overhead for the month was $350,250. Total advertising, sales salaries and commissions, and shipping expenses were $267,000, $350.750, and $105.000, respectively