18. You can realize the same value as that derived from a call option if you______

a) Borrow funds at the risk-free rate of return and invest the proceeds in put options

b) Buy a put option, sell a stock, and sell a zero-coupon bond

c) Lend out funds at the risk-free rate of return and sell a put option on the stock

d) Buy a stock, buy a put, and sell a zero-coupon bond

e) Sell a put option and invest in zero-coupon bond