Which of the Following Is the Correct Formula for Calculating

Multiple Choice

Which of the following is the correct formula for calculating days' sales in raw materials inventory for a manufacturer?

A) Raw materials purchased/Average raw materials inventory.
B) Average raw materials inventory/Raw materials used.
C) Raw materials used/Average raw materials inventory.
D) Ending raw materials inventory/Raw materials used × 365.
E) Raw materials used/Beginning raw materials inventory × 365.