Changes in valuation for trading securities are reported as _____.unrealized gains or losses on the income statement under Other Income (Loss)accumulated unrealized gain or loss in the stockholders' equity section of the balance sheetan amortized cost of the investment on the balance sheetNone of these choices are correct.Changes in valuation for available-for-sale securities are reported as _____.unrealized gains or losses on the income statement under Other Income (Loss)accumulated unrealized gain or loss in the stockholders' equity section of the balance sheetan amortized cost of the investment on the balance sheetNone of these choices are correct.