a. If you can't sell a share short, you can achieve exactly the same final payoff by a combination of options and borrowing or lending. What is this combination? b. Which combination of stock and options will provide the same final payoff as investing in a risk-free loan? Sh Buy call, sell put, borrow PV of exercise pri Buy call, sell put, lend PV of exercise price Buy put, sell call, borrow PV of exercise pric Buy put, sell call, lend PV of exercise price