a. If the one-year discount factor is 0.9074 , 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 10.2%, 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 ciscount 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 $24.78, 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