Calculate the following interest rates that are equivalent to 5% p.a. compounded half-yearly. Round your answer to the nearest 0.01% (2dp). Do not include the % symbol. Do not use comma separators. For example, if your answer in decimal is 0.123456, 12.35 would be the correct format. a. The interest rate p.a. effective. % b. The interest rate p.a. compounded quarterly. %