Consider the following information on large-company stocks for a period of years. Arithmetic Mean 12.5% 3.7 Large-company stocks Inflation a. What was the arithmetic average annual return on large-company stocks in nominal terms? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What was the arithmetic average annual return on large-company stocks in real terms? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) a. Nominal return % b. Real return %