Required information Problem 15-3A (Algo) Debt investments in available-for-sale securities; unrealized and realized gains and losses LO P3 [The following information applies to the questions displayed below] Stoll Company's long-term available-for-sale portfolio at the start of this year consists of the following Available-for-Sale Securities Company A bonds Company B notes Cost $533,900 Fair Value $ 492,000 159,350 663,800 151,000 646,440 Company C bonds Stoll enters into the following transactions involving its available-for-sale debt securities this year. January 29 Sold one-half of the Company 8 notes for $78,370. July 6 Purchased Company X bonds for $124,800. November 13 Purchased Company 2 notes for $267,400. December 9 Sold all of the Company A bonds for $519,400. Fair values at December 31 are B, $82 200, C, $604,900, X. $115,000; and Z. $277,000