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: 4 pounds at $9.00 per pound Direct labor: 3 hours at $15 per hour $36.00 45.00 18.00 Variable overhead: 3 hours at $6 per hour $99.00 Total standard variable cost per unit The company also established the following cost formulas for its selling expenses: Variable Fixed Cost Cost per per Month $ 210,000 $120,000 Unit Sold Advertising Sales salaries and commissions $13.00 $4.00 Shipping expenses The planning budget for March was based on producing and selling 26,000 units. However, during March the company actually produced and sold 31,000 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 56,000 hours at a rate of $16.00 per hour c. Total variable manufacturing overhead for the month was $524,720. d. Total advertising, sales salaries and commissions, and shipping expenses were $220,000, $460,000, and $125,000, respectively. 9. What variable manufacturing overhead cost would be included in the company's flexible budget for March? Variable manufacturing overhead cost