Which One of the Following Statements Regarding the Gross Profit

Which one of the following statements regarding the gross profit method is not true?

A) The gross profit method is a complicated method to use in practice.
B) The gross profit method is often used to estimate the year-end inventory for comparison to actual on-hand inventory.
C) The gross profit method is an acceptable method to estimate the cost of inventory destroyed by a casualty.
D) The gross profit method results in a less accurate inventory valuation than the retail inventory method.