The 'AAA' rating on Illinois Development Finance Authority's Fannie Mae collateralized qualifying residential rent bonds (Brookdale Lake Apartments project) series 1998 reflects: The pledge of Fannie Mae under the collateral agreement, which guarantees sufficient collateral for the mortgage loans and other shortfalls; The sufficiency of revenues from mortgage payments and investment earnings to pay full and timely debt service on the bonds until maturity; Investments held in the 'AAAm-G' rated One Group Treasury Only Money Market Fund; and An asset-to-liability ratio of 102.92% as of Oct. 12, 2004. The rating reflects the strong credit quality of the assets and credit support underlying the issue. The assets consist of a Fannie Mae collateral agreement , which guarantees sufficient collateral for the