Assuming these are the stock market and Treasury bill returns for a 5-year period:

year Stock Market Return (%) T-Bill Return (%)

2013 35.40 0.19

2014 14.80 0.19

2015 -4.70 0.19

2016 16.20 0.06

2017 25.40 0.08

a. What was the risk premium on common stock in each year?

b. What was the average risk premium?

c. What was the standard deviation of the risk premium? (Ignore that the estimation is from a sample of data.)

question by entering your answers in the tabs below.

a. What was the risk premium on common stock in each year?

b. What was the average risk premium?