Please answer b

The following table shows the nominal returns on Brazilian stocks and the rate of inflation. Year 2012 2013 2014 2015 2016 2017 Nominal Return (%) 0.1 -18.0 -16.0 -42.9 67.7 28.4 Inflation (%) 7.3 7.4 7.9 12.2 7.8 4.4 a. What was the standard deviation of the market returns? (Use decimals, not percents, in your calculations. Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) Standard deviation 35.94 % b. Calculate the average real return. (A negative answer should be indicated by a minus sign. Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places) Average real return %