Data: S0 =102; X = 115: 1+ r=1.1 The two possibilities for St 146 and 84 a. The range of St 62 while that of P 31 across the two states. What is the hedge ratio of the put? (Round your answer to 2 decimal places. Negative value should be indicated by parentheses. Hedon ratio a. What is the hedge ratio of the put? b. Form a portfolio of one share of stock and two puts. What is the (nonrandom) payoff to this portfolio? c. What is the present value of the portfolio? d. Given the stock is currently selling at 102, calculate the put value.