During the year, a company purchased raw materials of $77,319, and incurred direct labor costs of $125,800. Overhead is applied at the rate of 80% of the direct labor cost. These are the inventory balances: Beginning Ending Raw materials inventory $17,431 $16,430 Work in process inventory 241,441 234,425 Finished goods inventory 312,842 342,385 Compute the cost of materials used in production, the cost of goods manufactured, and the cost of goods sold. Cost of materials used in production $ 78,320 Cost of goods manufactured $ Cost of goods sold $