ayed below Mead Inc. began operations in Year 1, following is a series of transactions and events involving its long-term debt investments in available-for-sale securities. Year 1 Jan. 20 Purchased Johnson & Johnson bonds for $23,500. Feb. 9 Purchased notes of Sony for $58,140. June 12 Purchased bonds of Mattel for $43,500. Dec. 31 Fair values for debt in the portfolio are Johnson & Johnson, $26,100; Sony, $48,150; and Mattel, Year 2 $54,150. Apr. 15 Sold all of the bonds of Johnson & Johnson for $26,500. July 5 Sold all of the bonds of Mattel for $37,950. July 22 Purchased notes of Sara Lee for $14,900. Aug. 19 Purchased bonds of Kodak for $17,400. Dec. 31 Fair values for debt in the portfolio are Kodak, $18,375; Sara Lee, $15,000; and Sony, $61,000. Year 3 Feb. 27 Purchased bonds of Microsoft for $159,600. June 21 Sold all of the notes of Sony for $60,000. June 30 Purchased bonds of Black & Decker for $53,400. Aug. 3 Sold all of the notes of Sara Lee for $12,450. Nov. 1 Sold all of the bonds of Kodak for $22,425. Dec. 31 Fair values for debt in the portfolio are Black & Decker, $56,400; and Microsoft, $159,200. 3. Complete the following table that summarizes (a) the realized gains and losses and (b) the unrealized gains or losses for the portfolio of long-term available-for-sale debt securities at each year-end. (Losses should be indicated by a minus sign.) Realized gains (losses) Sale of Johnson & Johnson Sale of Mattel Sale of Sony Year 1 Year 2 Year 3 Sale of Sara Lee Sale of Kodak I Total realized gains (losses) $ 0 $ 0 $ 0 Unrealized gains (losses) at year-end