SELECT qryBookingDayswithYear.CustomerID, qryBookingDayswithYear.FirstDay, qryBookingDayswithYearIII.DayRecorded, Sum(qryBookingDayswithYearIII.ExtendedPrice) AS SumOfExtendedPrice
FROM qryBookingDayswithYear INNER JOIN qryBookingDayswithYearIII ON ( qryBookingDayswithYear.CustomerID = qryBookingDayswithYearIII.CustomerID
AND qryBookingDayswithYear.FirstDay = qryBookingDayswithYearIII.DayRecorded ) GROUP BY qryBookingDayswithYear.CustomerID, qryBookingDayswithYear.FirstDay, qryBookingDayswithYearIII.DayRecorded;