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 aiso established the following cost formulas for its selling expenses: The planning budget for March was based on producing and seling 26,000 units. Howevec during March the compary 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-taborers 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 shlpping expenses were $220,000,$460,000, and $125,000. respectively, 1. What raw materials cost would be included in the company's flexible budget for March? Required