9 20,391,162 g :3 A 17 Accounts payable and accrued expenses 18 Grants payable 19 0ererred revenue 20 Loans from officers, direelOra, liuStees, and Care gliseieWlea persons 21 Mortgages and other notes payable (attach schedule) 22 Other liabilities (describe I. ) 23 Total Ilebilitle