Dewey Corporation has the following data, in thousands. Assuming a 365-day year

Dewey Corporation has the following data, in thousands. Assuming a 365-day year, what is the firm's cash conversion cycle?

Annual sales = $55,000
Annual cost of goods sold = $38,500
Inventory = $4,000
Accounts receivable = $2,000
Accounts payable = $2,400

Answer
36 days
21 days
28 days
27 days
24 days