11) Consider two strategies from options, which have the same maturities and are written on the same stock. The firm does not pay dividends. Strategy A: Long a call with X2 = $20 and long a put with X2 = $30 Strategy B: Long a put with X1 = $20 and long a call with X2 = $30 Which strategy is more expensive? Hint: Draw the payoff diagrams for both strategies A. Strategy A is more expensive. B. Strategy B is more expensive. C. Both strategies are equally costly. D. There is insufficient information to conclude