Problem 11. (5 points) A 2x1 put spread is a strategy where the investor buys at-the-money puts, then sells (otherwise-identical) out-of-the-money puts each worth half as much but on twice the notional amount. What is true about this strategy? A. The investor can lose money if the price drops significantly. B. The investor can lose money if the price rises significantly. C. The lower the stock price at expiration, the more profit the investor makes. D. Within a certain range, the investor can make money whether the stock rises or falls