Happy Bank starts with $200 in bank capital. It then takes in $1000 in deposits. It keeps 10 percent of deposits in reserve. It uses the rest of its assets to make bank loans.

1. Show the balance sheet of Happy Bank.
2. What isHappy Bank's leverage ratio?
3. Suppose that 10 percent of the borrowers from Happy Bank default and these bank loans become worthless. Show the bank's new balance sheet.
4. By what percentage do the bank's total assets decline? By what percentage does the bank's capital decline? Which change is larger? Why?