17. An investor has two portfolios consisting of shares of stocks and call options. Portfolio A consists of 800 shares of stock and 100 calls on that stock. Portfolio B consists of 100 shares of stock and 1500 calls on that stock. The hedge ratio for portfolio Ais 0.5 and the hedge ratio for portfolio B is 0.7. What is the dollar change in the value of (1) portfolio A and (ii) portfolio B, in response to a one dollar decline in the stock price? a. (1) - $700 and (ii) - $1150 b. (1)-$850 and (ii)-$1150 c. (1)-$700 and (ii) -$500 d. (1)-$850 and (ii) - $500 e. None of the above