Look for Fannie Mae and Freddie Mac to continue to increase their guaranty fees, but the current level of g-fees is approaching striking distance of the threshold expected in a competitive private market, the head of the Federal Housing Finance Agency told lawmakers this week.Testifying before the House Financial Services Committee, FHFA Acting Director Edward De-Marco said last years two 10 basis point g-fee increases raised the average fee to around 50 bps, double where they were when the GSEs were put in conservatorship in September 2008.