Examine the balance sheet of commerclal banks in the followng table. Balance sheet of FDIC-Insured commerclal banks and savings institutions Note: Column sums may differ from total because of rounding error. Source: Federal Deposit Insurance Corporation, www.folic.gov, October 2018. a. What is the ratio of real assets to total assets? (Round your answer to 4 decimal places.) b. What is the ratto of real assets to total assets for nonfinanclal firms in the followng table? (Round your answer to 4 decimal places.) Balance sheet of U.S. nonfinanclal corporations Note: Column sums may differ from total because of rounding error. Source: Flow of Funds Accounts of the United States, Board of Governors of the Federal Reserve System, September 2018