Required information [The following information applies to the questions displayed below.j 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 material: 6 pounds at $9.00 per pound 54.00 Direct labor: 3 hours at $15 per hour Variable overhead: 3 hours at $5 per houz Total standard variable cost per unit 45.00 15.00 $114.00 The company also established the following cost formulas for its selling expenses Variable Cost per Unit Sold Fixed Cost per Month 260,000 $ 220,000 Advertising Sales salaries and commissions Shipping expenses $18.00 9.00 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 a. Purchased 180,000 pounds of raw materials at a cost of $7.50 per pound. All of this material was used in production b. Direct-laborers worked 61,000 hours at a rate of $16.00 per hour. c. Total variable manufacturing overhead for the month was $306,220 d. Total advertising, sales salaries and commissions, and shipping expenses were $268,000, $485,000, and $175,000, respectively