The following information is available for the HAPPY Corporation for 20X3: 1. Materials inventory decreased $4,000 during 20X3. 2. Materials inventory on December 31, 20X3, was 50% of materials inventory on January 1, 20X3. 3.Beginning work in process inventory was $140,000 4. Ending finished goods inventory was $65,000. 5. Purchases of direct materials were $150,000. 6. Direct materials used were 2.5 times the cost of direct labor. 7. Manufacturing overhead was 50% of the cost of direct labor. 8. Total manufacturing costs incurred were $246,400, 80% of cost of goods manufactured and $150,000 less than cost of goods sold. Q: Determine the work in process inventory on December 31, 20X3