During the month of June, Georgette Company incurs $19,000 of direct labour and $9,500 of manufacturing overhead, and purchases $18,000 of raw materials. Between the beginning and the end of the month, the raw-materials inventory increases by $1,000, the finished goods inventory increases by $2,500, and the work-in-process inventory decreases by $4,000. What is the cost of goods manufactured? O a. $50,500 O b. $51,500 O c. $47,500 O d. $43,500