Should a Bank Invest in Bonds?: A Discussion of Four Important Questions of Investment Policy Confronting the Commercial Bank IS IT PROFITABLE? Average Yields on Bonds EXTENT OF BOND ACCOUNT Percentage of investments to capital resources of national banks (1924-1928) WHAT KIND OF BONDS? Percentage of investments to demand and time deposits of national banks (1924-1928) DISTRIBUTION OF SECURITY HOLDINGS OF NATIONAL BANKS IN 1928 GENERAL INVESTMENT POLICY