Christopher purchased a call option on November 18,2019, for $550. The option gave him the right to buy 100 shares of Vectron stock for $95 a share. He sold the option for $600 on December 15,2019, when the price of the stock was $98 a share. How much capital gain should Christopher report on his 2019 return? a. $0 b. $50 c. $200 d. $300