A six-month treasury bill and a nine-month treasury bill both sell at a discount of 9%.

a-1. Calculate the annual yield of the six-month Treasury bill. (Do no round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)

Annual yield ______%

a-2. Calculate the annual yield of the nine-month Treasury bill. (Do no round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)

Annual yield ______%