If a net decrease is reported in the finished goods inventory account during the period, which of the following statements is always true? O A. The cost of goods sold is greater than the cost of goods manufactured during the period. B. Raw material used in production is less than raw material purchased during the period. C. The cost assigned to units completed is greater than the total manufacturing costs added to production during the period. D. The cost assigned to units sold is greater than the total manufacturing costs added to production during the period. E. The sum of direct material, direct labor, and manufacturing overhead costs added during the period is greater than the cost of goods manufactured