A European put option on a certain stock has a strike price of 40, a time to maturity of six months, and an implied volatility of 26%. A European call option on the same stock with a strike price of 35, a time to maturity of six months, and an implied volatility of 29%. What is the arbitrage opportunity open to a trader?

a. Buy the call, sell the put and short the stock

b. Buy the call and sell the put

c. Sell the call and buy the put

d .Buy the put, sell the call and long the stock