116 it is learned that the leads it has obtained from sources a e and f are of high value typically leading to a high percentage of loan deals and the leads obtained from for example source k are generally of low quality then the particular buyer can split the 100 leads among sources a e and f and zero out the quantities of the remaining sources including source k upon completing the modification a mortgage lender 114 or mortgage broker 116 would select a recalculate button 308 this will cause the interface 100 to recalculate the values displayed in the screen 300 when the particular mortgage lender 114 or mortgage broker 116 is satisfied with the allocation of leads among the mortgage lead suppliers 102 as shown on the screen 300 then a next step button 310 can be selected to cause the interface 100 to assign an order number for the order criteria screen 300 and then proceed onto a payment process 140 see fig4 according to the present invention subsequent to the completion and submission of the order criteria information screen 200 and approval and submission of the source selection screen 300 by a particular mortgage lender 114 or mortgage broker 116 the mortgage lender 114 or mortgage.