I need help with my finance homework assignment. I need it done by 9:20 am it is currently 7:50 am.

1. Consider two banks. Bank A has a loan of $1 million outstanding to each of 100 different borrowers. Each borrower independently has a 5% probability of default on their loan. In the case of a default, the bank will not be repaid by the defaulting borrower. Bank B has a loan for $100 million outstanding to a single borrower. This borrower has a 5% probability of default on their loan. In the case of default, the bank will not be repaid by this borrower. Briefly describe any differences in the risk exposures faced by these two banks. If you are a risk-averse investor, which of these two banks would you prefer to invest in the stock of? 2. If you randomly select 10 stocks to hold in a portfolio and then, separately, select 30 stocks to hold in another portfolio, which of these two portfolios would you expect to have lower return volatility? Briefly explain. 3. Wal-Mart (WMT), Target (TGT), and Costco (COST) are all businesses that operate in the \"Services\" business sector and \"Discount Variety Stores\" industry. a. Which of the following is likely to expose an investor to more systematic risk: investing in any one of these companies' stocks, or investing in a portfolio containing all three of these companies' stocks? Briefly explain. b. Which of the following is likely to expose an investor to more unsystematic risk: investing in any one of these companies' stocks, or investing in a portfolio containing all three of these companies' stocks? Briefly explain. 4. Which of the following two stocks is most likely to have the most sensitivity to systematic risk: Wal-Mart (WMT) stock or Disney (DIS) stock? Briefly explain