Which one of the following sequences correctly illustrates the flow of costs through a production process?
a. Raw materials inventory, work-in-process inventory, cost of goods sold, finished goods inventory
b. Raw materials inventory, cost of goods sold, work-in-process inventory, finished goods inventory
c. Raw materials inventory, work-in-process inventory, finished goods inventory, cost of goods sold
d. Cost of goods sold, raw materials inventory, work-in-process inventory, finished goods inventory
e. Raw materials inventory, finished goods inventory, cost of goods sold, work-in-process inventory