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Problem 2-19 Discount factors and annuity factors a. If the one-year discount factor is 0.9132 , what is the one-year interest rate? Note: Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places. b. If the two-year interest rate is 9.5%, what is the two-year discount factor? Note: Do not round intermediate calculations. Round your answer to 4 decimal places. c. Given these one- and two-year discount factors, calculate the two-year annuity factor. Note: Do not round intermediate calculations. Round your answer to 4 decimal places. d. If the PV of $10 a year for three years is $25.09, what is the three-year annuity factor? Note: Do not round intermediate calculations. Round your answer to 4 decimal places. e. From your answers to (c) and (d), calculate the three-year discount factor. Note: Do not round intermediate calculations. Round your answer to 4 decimal places