Please help with b-2, b-3, and c

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The common stock of the C.A.L.L. Corporation has been trading in a narrow range around $50 per share for months, and you believe it is going to stay in that range for the next three months. The price of a 3-month put option with an exercise price of $50 is $4. a. If the risk-free interest rate is 10% per year, what must be the price of a 3-month call option on C.A.L.L. stock at an exercise price of $50 if it is at the money? (The stock pays no dividends.) (Do not round Intermediate calculations. Round your answer to 2 decimal places.) Price of a 3-month call option 5.181 b-1. What would be a simple options strategy using a put and a call to exploit your conviction about the stock price's future movement? Strategy Sell a straddle b-2. What is the most money you can make on this position? (Do not round Intermediate calculetions. Round your answer to 2 decimal places.) Amount b-3. How far can the stock price move in either direction before you lose money? (Do not round Intermediate calculations. Round your answer to 2 decimal places.) Stock price c. How can you create a position involving a put, a call, and riskless lending that would have the same payoff structure as the stock at expiration? What is the net cost of establishing that position now? (Do not round Intermediate calculations. Round your answers to 2 decimal places. Leave no cells blank.be certain to enter "o" wherever required.) Immediate CF Position Call (long Put (short) Lending position Total