Standard&Poor's Ratings Services raised its rating on Pennsylvania Housing Finance Agency's (PHFA) series 2005-88B, 2005-88C, and 2006-94B single-family mortgage revenue bonds to 'AA+/A-1+' from 'AA+/A-1'. This action reflects a new standby bond purchase agreement (SBPA) provided by TD Bank N.A. (AA-/A-1+), substituting a prior SBPA provided by PNC Bank N.A. (A/A-1). At the same time, Standard&Poor's revised its rating on PHFA's series 2004-85B and 2004-85C single-family mortgage revenue bonds to 'AA+/A-1+' from 'AA+'. The new short-term component of the rating on these bonds also reflects the new SBPA provided by TD Bank N.A., substituting a prior direct-purchase agreement issued by U.S Bank National Assn. The interest rate bearing mode on the 2004-85B and 85C bonds is