The debenture rate for the U.S. Small Business Administration’s 504 loan product has dropped for the month of May. The 20 year debenture was at 5.9% in April; the 20 year debenture is now at 5.64%! The 10 year debenture is currently 4.59%, down from 4.89% in March. What does that mean for business owners? For a 20 year, $500,000 loan, a business owner could save well over $7,000 in interest over the life of the loan.