All of the Following Are Not True Regarding the Fair

All of the following are not true regarding the Fair Value Adjustment - Trading account except

A) the account is only adjusted at the end of the accounting period.
B) a debit balance in the account is subtracted from the cost of the investments so that the investments are reported at fair value.
C) the account is adjusted for the difference between the investments' fair value and cost.
D) if the total cost of the securities is greater than the total fair value, the account will be credited.