The current price of a non-dividend-paying stock is $40. Over the next year it is expected to rise to $45 or fall to $37. An investor buys one-year put options with a strike price of $39. Which of the following is necessary to hedge the position to create a riskless portfolio? Buy 0.25 shares for each option purchased Buy 0.50 shares for each option purchased Buy 0.75 shares for each option purchased Sell 0.75 shares for each option purchased rection 3