Which of the following statements regarding the Efficient Frontier is true? The Efficient Frontier represents the set of portfolios that have the minimum rate of return for every given level of risk. The Efficient Frontier represents the set of portfolios that have the maximum risk for every given level of return. For each portfolio that is not on the efficient frontier, we can find a portfolio that has lower risk for the same level of retum. For each portfolio that is not on the efficient frontier, we can find a portfolio that has lower risk for the same level of return