Dominant Portfolios Determine which one of these three portfolios dominates another. Name the dominated portfolio and the portfolio that dominates it. Portfolio Blue has an expected return of 7 percent and risk of 10 percent. The expected return and risk of portfolio Yellow are 13 percent and 17 percent, and for the Purple portfolio are 9 percent and 14 percent.

A.	Portfolio Purple dominates Portfolio Yellow
B.	Portfolio Purple dominates Portfolio Blue
C.	Portfolio Blue dominates Portfolio Yellow
D.	Portfolio Yellow dominates Portfolio Blue

I don't see a portfolio that has a higher return with a lower risk so which one is correct? Please give me a good reason why the one you choose is the correct answer