Please help me solve this question for my finance class

Given an expected return for the market of 12 percent, with a standard deviation of 20 percent, and a risk-free rate of 8 percent, consider the following data: Stock c Beta 0.8 1.2 0.6 12 13 11 Presuming E[R] is a result of fundamental analysis, which stock would be recommended for purchase? [Hint: calculate the expected return of each stock first] Stock A Stock B Stock C