9) Ajax corporation transferred $72,000 of materials to its production department in February and incurred $37,000 of conversion costs ($22,000 of direct labor cost and $15,000 of overhead). At the beginning of the period, $14,000 of inventory (direct materials and conversion costs) was in process. At the end of the period, $18,000 of inventory was in process. What was the cost of goods manufactured? a) $105,000 b) $109,000 c) $123,000 d) $141.000