Treasury bills are currently paying 8 percent and the inflation rate is 28 percent. What is the approximate real rate of interest? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 3216.) Approximate real rate What is the exact real rate? (Do not round intermediate calculations. Enter your answer os a percent rounded to 2 decimal places, e.... 32.16.) % Exact real rate %6