Examine the balance sheets given in Table 1.3 a. What is the ratio of real assets to total assets for commercial banks? (Round your answer to 4 decimal places.) Ratio of real to total assets b. Assuming that the listed intangible assots are not real, what is that ratio for nonfinancial firms? (Table 1.4) (Round your answer to 4 decimal places.) The ratio for nonfinancial firms