The Devon Motor Company produces automobiles. On April 1, the company had no beginning inventories, and it purchased 8,000 batteries at a cost of $80 per battery. It withdrew 7,600 batteries from the storeroom during the month. Of these, 100 were used to replace batteries in cars used by the companys traveling sales staff. The remaining 7,500 batteries withdrawn from the storeroom were placed in cars being produced by the company. Of the cars in production during April, 90 percent were completed and transferred from work in process to finished goods. Of the cars completed during the month, 30 percent were unsold at April 30