A stock price is currently $15. It is known that at the end of three months it will be either $25 or $9. The risk-free rate of interest with continuous compounding is 12% per annum. Using no-arbitrage arguments the value of a 3-month European call option on the stock with an exercise price of $13 is:

Group of answer choices

a. 6.42919

b. 4.69949

c. 4.92964

d. 4.01295