At August 31, 2011, work-in-process consisting of recognized revenue on PDSG’s current contracts was $574,616 and invoices to customers were $452,256. At May 31, 2011, work-in-process consisting of recognized revenue on PDSG’s current contracts was $455,381 and invoices to customers were $424,800. These amounts are shown on our August 31, 2011 and May 31, 2011 balance sheets at net of $122,360 and $30,581, respectively, due to their immateriality.