Total Sum exclude from condition.

experts, i am trying to calculate Overtime hours . we have got employee who has Friday and Saturday holidays. so mentioned here in table column Friday , saturday value 1.i need to exclude the dutyhours in OT if that employee friday and saturday is 1.current sql code is , [code="sql"]WITH Prep AS(SELECT EMAIL_address1 as Sub_Department,friday,saturday,preffered_name as Department,government_num as Dutyhours,ci.person_num, ci.full_name, person_id,ci.event_name, CAST(DATEADD(hour,1,dbo.UtcToLocal(ci.creation_date)) AS DATE) AS event_date,DATEname(weekday,dbo.UtcToLocal(co.creation_date)) AS Day, CAST(dbo.UtcToLocal(ci.creation_date) AS date) AS in_date, CAST(dbo.UtcToLocal(ci.creation_date) AS time) AS in_time, CAST(dbo.UtcToLocal(co.creation_date) AS date) AS out_date, CAST(dbo.UtcToLocal(co.creation_date) AS time) AS out_time, DATEDIFF(minute, ci.creation_date, co.creation_date) AS minutes FROM TEST ci OUTER APPLY (SELECT TOP 1 creation_date FROM TEST t WHERE t.person_num = ci.person_num AND t.creation_date >= ci.creation_date AND t.event_name = 'CLOCK_OUT' ORDER BY t.creation_date) co WHERE ci.event_name = 'CLOCK_IN' AND preffered_name='FINANCE'),CalcPart AS(SELECT day,friday,saturday,Dutyhours, person_id,Sub_Department, Department,person_num, full_name, event_date, in_time, out_time, minutes, ROW_NUMBER() OVER (PARTITION BY event_date, person_num ORDER BY in_time) AS daypart FROM Prep) SELECT Department,event_date, --full_name, MAX(CASE WHEN daypart = 1 THEN in_time END) AS CLOCK_IN1, MAX(CASE WHEN daypart = 1 THEN out_time END) AS CLOCK_OUT1, MAX(CASE WHEN daypart = 2 THEN in_time END) AS CLOCK_IN2, MAX(CASE WHEN daypart = 2 THEN out_time END) AS CLOCK_OUT2, dutyhours,Day,friday,saturday, SUM(minutes) / 60.0 AS HoursWorked, sum((dutyhours)-(minutes /60.0)) as OT FROM CalcPart GROUP BY Department,Day,friday,saturday,dutyhours,event_date, full_name[/code]sql output,[img]http://i64.tinypic.com/347bac1.jpg[/img]expected result, OT should be considered full hours worked if Day column row is (Saturday ,friday) and column friday & saturday row is 1.example.below employee OT should be 6.416 since his saturday is matching with column saturday ..[img]http://i65.tinypic.com/97o6ec.jpg[/img]