This Vendor (300259) has 3 different Contract (M06, PRDCR, SA) with 3 different Effective dates (1/1/2006, 2/1/2007, 4/29/2014), each of those should expire when the other Contract begins so the Exp Date are (1/31/2007, 4,28,2014, end of time). If the Contract is the same in another row, always...