A call option on Jupiter Motors stock with an exercise price of $75 and one-year expiration is selling at $4. A put option on Jupiter stock with an exercise price of $75 and one-year expiration is selling at $2.50. If the annual risk-free rate is 2% and Jupiter pays no dividends, what should the stock price be?

a) $73

b) $74

c) $75

d) $76