Edit View A You own a portfolio which is invested equally in two stocks and a risk-free security, Beais 89 for Stock A and 1.26 for Stock B. Which one of the following will increase the porttolo beta, all else beng constant? Select one: a replacing Stock B with Stock C, which has a beta equal to that of the market b. decreasing the weight of Stock B and increasing the weight of Stock A C. replacing Stock A with a security that has a beta of 77 d. increasing the amount invested in the risk-free security e. increasing the weight of Stock A and decreasing the weight of the risk-free security