The invoice summarizes the purchase of two vouchers for the 2009-2010 ACUI Annual Conference by Megan Bell of the University of Colorado. It details the voucher codes, unit prices, extended prices, application of a voucher credit, and an amount due of $595. The invoice is for the purchase of vouchers for the 2009-2010 ACUI Annual Conference between April 1, 2009 and December 31, 2009.