8. Selected data concerning the past fiscal year's operations (000's omitted) of the Stanley Manufacturing Company are presented below: 50 INVENTORIES Beginning Ending Materials $ 90 $ 85 Work in process 65 Finished goods 100 90 Other data: Direct materials used $365 Total manufacturing costs charged to production during the year (includes direct materials, direct labor, and 680 factory overhead) 765 Cost of goods available for sale Selling and general expenses 250 Assuming Stanley does not use indirect materials, the cost of materials purchased during the year amounted to: a. $455. b. $450. c. $365. $360