TABLE 1.4 Balance sheet of U.S. nonfinancial corporations Note: Column sums may differ from total because of rounding error. Source: Flow of Funds Accountr of the United States, Board of Govemors of the Fedenal Reserve System, June 2019. Examine the balance sheet of commerclal banks in Iable 13. Required: a. What is the ratio of real assets to total assets? (Round your answer to 4 decimal places.) b. What is that ratio for nonfinancial firms? (Round your answer to 4 decimal places.)