The following information is available for Carter Corporation: Materials inventory decreased $4,000. Materials inventory on December 31 was 50% of materials inventory on January 1. Beginning work in process inventory was $145,000. Ending finished goods inventory was $65,000. Purchases of direct materials were $154,700. Direct materials used were 2.5 times the cost of direct labor. Total manufacturing costs incurred were $246,400, which is 80% of cost of goods manufactured and $156,000 less than cost of goods sold. Note to students: The answers are not necessarily calculated in alphabetical order. a. Compute finished goods inventory on January 1.