aggregate function and join

I have three Tables(Emptimesheet,comexpensetable,perexpensestable).I want to show otput something like below,

EmpID,EmpName,StartDate,EndDate,Total,Chotel,CAirfare,Cfuel,WeeklCompanyExpenses,Percompanyexpenses

rightnow in the below query I don't have hotel,airfare,fuel.

select distinct(e.EmpID) ,e.EmpName, e.StartDate,e.EndDate,e.Total,c.WeeklyComtotalExpenses,p.WeeklyPerTotalExpenses
 from EmpTimeSheet e  left JOIN  ComExpensesTable c   on c.CExpID=e.EmpID   left join  PerExpensesTable p ON p.PExpID=e.EmpID

Output for Above query .

EmpID  name                   sd                     ED         Total   companEx  PerExpense         
1	tom	2014-02-02 00:00:00.000	2014-02-08 00:00:00.000	28:30:0	213.00	199.00
3	nick	2014-03-02 00:00:00.000	2014-03-08 00:00:00.000	15:20:0	16.00	NULL
4	john	2014-03-23 00:00:00.000	2014-03-29 00:00:00.000	42:0:0	NULL	NULL
5	test	2014-03-09 00:00:00.000	2014-03-15 00:00:00.000	34:15:0	NULL	NULL
6	ema	2014-04-13 00:00:00.000	2014-04-19 00:00:00.000	39:0:0	16.00	NULL

Output  Emptimesheet

        id    empname        startdate            enddate                 ..                                                      total
	1	tom	2014-02-02 00:00:00.000	2014-02-08 00:00:00.000	Thurs	2014-02-06 00:00:00.000	Travel Time 		28:30:0		


	3	nick	2014-03-02 00:00:00.000	2014-03-08 00:00:00.000	Mon	2014-03-03 00:00:00.000	Onsite/WalkTesting	40:0:0			

	4	john	2014-03-23 00:00:00.000	2014-03-29 00:00:00.000	Mon	2014-03-24 00:00:00.000	Onsite/WalkTesting     42:0:0		

	5	test	2014-03-09 00:00:00.000	2014-03-15 00:00:00.000	Mon	2014-03-10 00:00:00.000	Travel Time , 	       34:15:0		

	6	ema	2014-04-13 00:00:00.000	2014-04-19 00:00:00.000	Mon	2014-04-14 00:00:00.000	Equipment Testing 	39:0:0		

output for ComExpenseTable 

       CExpID   airfare  hotel         weeklycomexpensetable
	1	45.00	34.00    	213.00



	3	5.00	3.00		16.00

	6	5.00	3.00		16.00

output  for  Perexpensetable

PExpID                                          PerExpenseTable
1	Sun	2014-02-02 00:00:00.000		199.00

2	Sun	2014-02-23 00:00:00.000	199.00

below  query for sum of indivial expense in company table

select sum(CHotel) as Hotel ,sum(CTransport) as Airfare,sum(CMeals) as Meals,sum(CFuel) as Gas,sum(CTolls),Sum(CParking) as Parking,Sum(CMisc) as Misc ,sum(CMileage) as Mileage from  ComExpensesTable  where CExpID=1

select distinct(e.EmpID) ,e.EmpName, e.StartDate,e.EndDate,e.Total,c.WeeklyComtotalExpenses,p.WeeklyPerTotalExpenses
 from EmpTimeSheet e  left JOIN  ComExpensesTable c   on c.CExpID=e.EmpID   left join  PerExpensesTable p ON p.PExpID=e.EmpID