20. What is the variance of the returns on a portfolio that is invested 60 percent in stock S and 40 percent in stock T? State of Economy Boom Normal Probability of State of Economy 20% 80% Returns if State Occurs Stock S Stock T 17% 7% 13% 10% A. .000017 B. .000023 C. .000118 D. .000136 E. .000161 si vous ne postany de la 5. What is the profitability index for an investment with the following cash flows given a 14.5 percent required return? Year wNeo Cash Flow -$46,500 $12,200 $38,400 $11,300 A. 0.94 B. 0.98 C. 1.02 D. 1.06 E. 1.11