QUESTION 1 In a year in which common stocks offered an average return of 18%, Treasury bonds offered 10% and Treasury bills offered 7%, the risk premium for common stocks was: O 1% O 3% O 8% O 11% QUESTION 2 What is the approximate standard deviation of returns if over the past four years an investment returned 8.0%, -12.0%, -12% and 15.0%? 9.26% O 10.26% O 11.26% O 12.01% QUESTION 3 What is the expected return on a portfolio that is 55% invested in a stock with an expected return of 18% and 45% invested in a stock with an expected return of 12%? O 12.0% O 13.0% O 14.9% O 15.3%