3- Suppose you had $100,000 in investments at the beginning of the year that consisted of a diversified portfolio of stocks (60 percent) and bonds (40 percent). The returns over the past 12 months were 17 percent on stocks and 8 percent on bonds. a) What is the portfolio return for the year? b) If you wanted to rebalance this portfolio to its original position, what specific actions should you take? 4- You invested a total of $10,000 in two stocks ($5,000 in each) with different betas: stock A with a beta of 1.15 and stock B with a beta of 2.86. a) If the stock market rises 10 percent over the next year, what will be the value of each investment? b) If the stock market declines 10 percent over the next year, what will be the value of each investment?