Koczela Inc. has provided the following data for the month of May:
Inventories:

Beginning Ending
Work in process $22,000 $17,000
Finished goods $51,000 $55,000

Additional information:

Direct materials $62,000
Direct labor cost $92,000
Manufacturing overhead cost incurred $68,000
Manufacturing overhead cost applied to Work in Process $66,000

Any underapplied or overapplied manufacturing overhead is closed out to cost of goods sold. The cost of goods manufactured for May is:

a. $229,000
b. $234,000
c. $231,000
d. $236,000