Answer and Explanation:
If there is decrease in fair value of an asset as is seen in the example with Pitbull corporation, we decrease asset revaluation reserve in the balance sheet by the value reduced $50000 here to recognise new carrying value of the asset and then debit the expenses of revaluation to the income statement or profit and loss account. If there was an increase in fair value, revaluation would add to retained earnings in balance sheet and income in income statement