Response to the following questions:
1. On a balance sheet, what valuation must be reported for debt securities classified as available-for-sale?
2. For investments in available-for-sale securities, how are unrealized (holding) gains and losses reported?
3. On May 20, 2011, Alexis Co. paid $750,000 to acquire 25,000 common shares (10%) of TKR Corp. as a long-term investment. On August 5, 2012, Alexis sold one-half of these shares for $475,000. What valuation method should be used to account for this stock investment? Prepare entries to record both the acquisition and the sale of these shares.