You've observed the following nominal returns on Regina Computer's stock over the past five years: 11% -10% 19%, 18%, and 10% suppose the average inflation rate over this period was 27% and the average T-bill rate over the period was 4.8% a. What was the average real return on Regina's stock? (Do not round Intermediate calculations Round the final answer to 2 decimal places.) Average real return 672% b. What was the average nominalnik premium on Regino's stock? (Do not round Intermediate calculations Round the final answer to 2 decimal places. Average nominal risk premium 1805