pls solve question 3

Determine which one of the three portfollos dominates another. Name the dominated portfolio and the portfolio that dominates it. Portfolio Red has an expected return of 21 percent and risk of 29 percent. The expected return and risk of portfolio Orange are 17 percent and 24 percent, and for the Green portfolio are 17 percent and 25 percent. Portfolio Green dominates portfolio Orange. Portfolio Orange dominates Green. Portfolio Red dominates portfolio Orange. Portfolio Red dominates portfolio Green