have done with below query
SELECT tblProducts.*, tblVendor.VendorName, tblFolio.*, tblFolioType.*, IIf([tblFolioType]![TypeofFolio]="Purchase",[tblFolio]![Qty],-[tblFolio]![Qty]) AS ActualQty
FROM tblVendor INNER JOIN (tblProducts INNER JOIN (tblFolioType INNER JOIN tblFolio ON...