=(iif(Sum(Fields!TotalInvPrimaryPart.Value, "PartNumber")=0,Sum(Fields!TotalInv.Value, "PartNumber")+first(Fields!TotalInvPrim.Value, "PartNumber"),Sum(Fields!TotalInv.Value, "PartNumber"))+iif(Sum(Fields!QTYonOrderPrimaryPart.Value, "PartNumber")=0,Sum(Fields!TotalQTYonOrder.Value, "PartNumber")+first(Fields!QTYonOrderPrim.Value, "PartNumber"),Sum(Fields!TotalQTYonOrder.Value, "PartNumber"))+iif(Sum(Fields!QTYonPMRPrimaryPart.Value, "PartNumber")=0,Sum(Fields!TotalQTYonPMR.Value, "PartNumber")+first(Fields!QTYonPMRPrim.Value, "PartNumber"),Sum(Fields!TotalQTYonPMR.Value, "PartNumber")))/iif(Sum(Fields!AvgMonthDemand12PrimaryPart.Value, "PartNumber")=0,"Null",iif(Sum(Fields!AvgMonthDemand12PrimaryPart.Value, "PartNumber")>0,Sum(Fields!TotalAvgMonthDemand12.Value, "PartNumber")+first(Fields!AvgMonthDemand12Prim.Value, "PartNumber"),Sum(Fields!TotalAvgMonthDemand12.Value, "PartNumber")

=iif(iif(Sum(Fields!AvgMonthDemand12PrimaryPart.Value, "PartNumber")=0 ,Sum(Fields!TotalAvgMonthDemand12.Value, "PartNumber")+first(Fields!AvgMonthDemand12Prim.Value, "PartNumber") ,Sum(Fields!TotalAvgMonthDemand12.Value, "PartNumber"))=0,"Null",( iif(Sum(Fields!TotalInvPrimaryPart.Value, "PartNumber")=0 ,Sum(Fields!TotalInv.Value, "PartNumber")+first(Fields!TotalInvPrim.Value, "PartNumber") ,Sum(Fields!TotalInv.Value, "PartNumber"))+ iif(Sum(Fields!QTYonOrderPrimaryPart.Value, "PartNumber")=0 ,Sum(Fields!TotalQTYonOrder.Value, "PartNumber")+first(Fields!QTYonOrderPrim.Value, "PartNumber") ,Sum(Fields!TotalQTYonOrder.Value, "PartNumber"))+ iif(Sum(Fields!QTYonPMRPrimaryPart.Value, "PartNumber")=0 ,Sum(Fields!TotalQTYonPMR.Value, "PartNumber")+first(Fields!QTYonPMRPrim.Value, "PartNumber") ,Sum(Fields!TotalQTYonPMR.Value, "PartNumber")))/ iif(Sum(Fields!AvgMonthDemand12PrimaryPart.Value, "PartNumber")=0 ,Sum(Fields!TotalAvgMonthDemand12.Value, "PartNumber")+first(Fields!AvgMonthDemand12Prim.Value, "PartNumber") ,Sum(Fields!TotalAvgMonthDemand12.Value, "PartNumber")))

=( iif(Sum(Fields!TotalInvPrimaryPart.Value, "PartNumber")=0 ,Sum(Fields!TotalInv.Value, "PartNumber")+first(Fields!TotalInvPrim.Value, "PartNumber") ,Sum(Fields!TotalInv.Value, "PartNumber"))+ iif(Sum(Fields!QTYonOrderPrimaryPart.Value, "PartNumber")=0 ,Sum(Fields!TotalQTYonOrder.Value, "PartNumber")+first(Fields!QTYonOrderPrim.Value, "PartNumber") ,Sum(Fields!TotalQTYonOrder.Value, "PartNumber"))+ iif(Sum(Fields!QTYonPMRPrimaryPart.Value, "PartNumber")=0 ,Sum(Fields!TotalQTYonPMR.Value, "PartNumber")+first(Fields!QTYonPMRPrim.Value, "PartNumber") ,Sum(Fields!TotalQTYonPMR.Value, "PartNumber")))

= iif(Sum(Fields!AvgMonthDemand12PrimaryPart.Value, "PartNumber")=0 ,Sum(Fields!TotalAvgMonthDemand12.Value, "PartNumber")+first(Fields!AvgMonthDemand12Prim.Value, "PartNumber") ,Sum(Fields!TotalAvgMonthDemand12.Value, "PartNumber"))

=IIF(a > 0, 200/IIF(a = 0, 1, a), 0)