Here's the query:
SELECT IIf(DatePart('m',[Invoice Data].[Invoice Date:])>10,DatePart('yyyy',[Invoice Data].[Invoice Date:])+1,DatePart('yyyy',[Invoice Data].[Invoice Date:])) AS FY, [Invoice Data].[Geo1:], [Invoice Data].[Invoice Quarter:], [Invoice Data].[Maint End:], IIf([Invoice Data]![Maint...