On May 20,2009, Chiu Co. paid $1,500,000 to acquire 25,000 common shares (10%) of BBE Corp. as a long-term investment. On August 5, 2010, Chiu sold one-half of these shares for $937,500. 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.