You invest $2,600 today and expect to sell your investment for $5,200 in 10 years. a-1. Calculate the present value of the future payoff, if the interest rate is 7%. (Do not round intermediate calculations. Round your answer to 2 decimal places.) a-2. Is this a good deal? b-1. Calculate the present value, if the interest rate is 9%. (Do not round intermediate calculations. Round your answer to 2 decimal places.) b-2. Is this a good deal? a-1. a-2. Present value Is this a good deal? Present value Is this a good deal? b-1. b-2