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Determine which one of these three portfolios dominates another. Name the dominated portfolio and the portfolio that dominates it. Portfolio Yellow has an expected return of 11 percent and risk of 18 percent. The expected return and risk of portfolio Purple are 16 percent and 15 percent, and for the Blue portfolio are 15 percent and 21 percent. Portfolio Purple dominates portfolios Yellow and Blue. Portfolio Blue dominates portfolios Yellow and Purple. O Portfolio Yellow dominates portfolios Purple and Blue