The current year US treasury yield is A speculator A believes the Fed would not raise rate and the year yield should be at within months. Another speculator B believes the year yield should be at within months.

Part a A is plan to buy an at the money strike price equals to current market price put option, the price is $ for the TNX option. How much is the total gainlost if the year yield is and

Part b B is plan to sell a TNX put spread with an at the money and an in the money put option strike price at which is currently traded at $ How much is the total gainlost for this put spread if the year yield is and