Use the information below to answer the following questions. Suppose interest rate parity holds, and the current risk-free rate in the United States is 2.1 percent per six months. a. What must the six-month risk-free rate be in Australia? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16. b. What must the six-month risk-free rate be in Japan? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16. c. What must the six-month risk-free rate be in Great Britain? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16