1. Generally speaking, what are the three main revenue streams for a bulge bracket investment bank? 2. Define systematic risk and nonsystematic risk and provide a synonym for each. 3. A portfolio's expected return is 12%, its standard deviation is 20%, and the risk-free rate is 4%. Which of the following would make the greatest increase in the portfolio's Sharpe ratio: a) a 1% increase in expected return b) a 1% decrease in the risk-free rate c) a 1% decrease in its standard deviation