What is the MOST LIKELY reason Conglom Incorporated would choose to issue a bond instead of a debenture? a) The company may have already pledged their assets for another debt instrument. b) The company may be well established with a good credit rating and not need to pledge any physical assets to secure its debts. c) The company may have insufficient assets to pledge as collateral for a debt issue. d) The company may have substantial fixed assets to secure the debt