Betty purchased 500 shares of Newmont Mining Company for $10,000 on January 15, 2016. She sold those shares on July 1, 2016 for $20,000. Betty has:

a. a long-term capital gain of $10,000.

b. a long-term capital loss of $10,000.

c. a short-term capital gain of $10,000.

d. a short-term capital loss of $10,000.