The current accounting standards require fair value reporting for trading securities and securities available-for-sale. Some accountants believe that the FASB was inconsistent when GAAP was issued, requiring changes in the value of trading securities to be reported in the income statement and balance sheet, while changes in the value of securities available-for-sale are reported only in the balance sheet. Required: Evaluate the rationale for these two diverse reporting requirements for debt securities. What arguments could be made to support each treatment?