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9. Conceptualquestions on portfolio and stand-alone risk Cho holds a $5,000 portfolio that consists of four stocks. Her investment in each stock, as well as each stock's beta, is listed in the following table: Suppose all stocks in Cho's portfolio were equally weighted. The stock that would contribute the least systematic risk to the portfolio is . Further, id all of the stocks in the portfolio were equally weighred, the stock that would have the least amount of unsystematic nisk is If the risk-free rate is 7.00% and the market risk premium is 9.509%, then Cho's portfolio will exhibit a beta of and a required return of