What would be the fair return for each company, according to the capital asset pricing model (CAPM)?

What would be the fair return for each company, according to the capital asset pricing model (CAPM)?

Here are data on two companies. The T-bill rate is 4%

Subject: Business    / Finance   
Question
3) Here are data on two companies. The T-bill rate is 4% and the market risk premium is 6%.

Company $1Discount store Everything $5
Forecasted return 12.0% 11%
Standard deviation of return 8.0% 10%
Beta 1.5 1
What would be the fair return for each company, according to the capital asset pricing model (CAPM)?