3M Company (MMM)Find the current market price of the stock at the end of the day Friday, June 29, 2018 from financial news and data outlets such as Yahoo Finance, Google Finance, Forbes, Bloomberg, etc.

The U.S. Treasury 10 year bond yield must be used as the risk free rate of return. This can be found from U.S. Federal Reserve website.

The S&P 500 return from January 1, 2017 to December 31, 2017 must be used as market return.

Find the companys beta from financial news and data outlets such as Yahoo Finance, Google Finance, Forbes, Bloomberg, etc.

Use the risk premium calculated for company from the capital asset pricing model calculation. Keep in mind that you do not need to add risk free rate for this calculation.