Investments Tim Lane is confused when the financial statements of one of the companies he is attempting to analyze reports three different classes of investments (trading securities, available-for-sale securities, and held-to-maturity securities) and appears to account for each of them differently.

a. In what way does managerial intent differ between securities placed in the three categories?

b. In what way does the balance sheet presentation of the investment differ between securities placed in the three categories?

c. In what way does the recognition of income on changes in the market value of the securities differ between securities placed in the three categories?