At the beginning of 2011, the Taylor Company's work in process inventory account had a balance of $30,000. During 2011, $68,000 of direct materials were used in production, and $66,000 of direct labor costs were incurred. Manufacturing overhead in 2011 amounted to $90,000. The cost of goods manufactured was $220,000 in 2011. What is the balance in work in process inventory on December 31, 2011? a.$24,000 b.$66,000 c.$34,000 d.$6,000