Which one of the following statements is correct?
A   The prudence concept requires assets to be understated and liabilities to be overstated.
B   To comply with the law, the legal form of a transaction must always be reflected in financial statements.
C   If a non-current asset initially recognised at cost is revalued, the surplus must be credited in the income
     statement.
D   In times of rising prices, the use of historical cost accounting tends to understate assets and overstate       profits.

D