Where There Is a Difference Between Fair Value at Initial

Where there is a difference between fair value at initial recognition and cost,assuming no other standard prohibits it,the entity should?

A) Immediately adjust the value and recognise profit or loss.
B) Ignore the difference as there should be no day one gain or loss.
C) Amortise the difference over the useful life of the item.
D) Pay more or less for the item to make the figures equal.