You are an investor who wants to form a portfolio that lies to the right of the "optimal" minimum standard deviation portfolio on the efficient frontier. You must: 0 / 1 puntos Invest only in risky securities. Borrow money at the risk-free rate, invest in the minimum standard deviation portfolio and, in addition, only in risky securities. Borrow money at the risk-free rate and invest everything in the minimum standard deviation portfolio. Invest only in risk-free securities.