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 not a practical method to use in real-world situations.
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.