Part 1 of 6 San Diego Office Equipment manufactures and sells metal shelving. It began operations on January 1, 2020. (Click the icon to view the costs incurred during 2020.) (Click the icon to view the inventory data.) Revenues in 2020 were $519,750. The selling price per unit and the purchase price per pound of direct materials were stable throughout the year. The company's ending inventory of finished goods is carried at the average unit manufacturing cost for 2020. Finished-goods inventory at December 31, 2020, was $22,400. Read the requirements. Requirement 1. Calculate direct materials inventory, total cost, December 31, 2020.) Determine the formula, then calculate ending direct materials total cost. Ending direct materials in pounds M Direct materials cost per pound 2200 Ending direct materials total cost