The Partnership has a note payable with a bank through its investment in 720 University (see Note 6), which is secured by the retail development located in Greeley, Colorado. The remaining principal balance on the note was approximately $10,281,000 and $10,394,000 as of September 30, 2011 and December 31, 2010, respectively. The note required monthly interest-only payments until March 1, 2010 at a fixed rate of 5.07% per annum. Commencing April 1, 2010, the note became amortizing and monthly payments of $56,816 are now required, with the balance of unpaid principal due on March 1, 2015. Interest expense was approximately $133,000 and $135,000 for the three months ended September 30, 2011 and 2010, respectively, and $397,000 and $403,000 for the nine months ended September 30, 2011 and 2010, respectively. The following table shows maturities by year on this note payable as of September 30, 2011: