18. On June 2, Ashley purchased 100 shares of stock for $10,000. When it was worth $20,000, on December 25 of the same year, she gifted all the stock to her nephew, Richard. Richard sold the stock on the following October 15th, for its fair market value of $25,000. What is Richard's tax consequence? a. $5,000 short-term capital gain. b. $5,000 long-term capital gain. c. $15,000 short-term capital gain. d. $15,000 long-term capital gain