Can you please help me aswer this?

This questions comes from the book: Management Accounting 8e by Hartgraves and Morse.

E5-21. Analyzing Activity in Inventory Accounts Selected data concerning operations of Ridgeview Manufacturing Company for the past fiscal year follow: $300,000 Total manufacturing costs charged to production during the year includes raw materials, direct labor, and manufacturing overhead applied at a rate of 60 percent of direct labor costs)........... 681,000 826,000 30,000 Cost of goods available for sale. . . . Inventories Beginning Ending $70,000 $80,000 30,000 110,000 Work-in-process....- Finished goods. . 85,000 90,000 Required Determine each of the following: a. Cost of raw materials purchased b. Direct labor costs charged to production c. Cost of goods manufactured d. Cost of goods sold