Determine which one of these three portfolios dominates another. Name the dominated portfolio and the portfolio that dominates it. Portfolio Purple has an expected return of 15 percent and risk of 19 percent. The expected return and risk of portfolio Blue are 18 percent and 18 percent, and for the Yellow portfolio are 17 percent and 23 percent. Portfolio Yellow dominates portfolios Purple and Blue. Portfolio Blue dominates portfolios Purple and Yellow. Portfolio Purple dominates portfolios Blue and Yellow. No Portfolio dominates