Select the key term that relates to accounting for general long-term liabilities and debt service from the list that best matches with each of the following definitions. 1. A transaction in which cash or other assets are placed into an irrevocable trust for the benefit of debt holders Bonds for which the amount of annual principal repayments is scheduled to increase each year by approximately the same amount that interest payments decrease Bonds payable in which the total principal is repayable in a specified number of equal annual installments Annuity serial bonds The maximum amount of gross or net debt that is legally permitted Debt limit A transaction in which debt is legally satisfied based on certain provisions in the debt instrument even Debt margin though the debt has not been repaid In-substance defeasance Irregular serial bonds