Carolina Plating Company reported a cost of goods manufactured of $520,000, with the firm's year-end balance sheet revealing work in process and finished goods of $70,000 and $134,000, respectively. If supplemental information disclosed raw materials used in production of $80,000, direct labor of $140,000, and manufacturing overhead of $240,000, the company's beginning work in process must have been: A. $130,000. B. $10,000. C. $66,000. D. $390,000. E. None of the other answers are correct