How to get total sum of parent child ?

Account Table
AccountID	Name	Parent
1	Header 100	NULL
2	Header 110	1
3	Child 111	2
4	Child 112	2
5	Child 113	2
6	Child 120	1
7	Header 130	1
8	Child 131	7
9	Child 132	7
10	Header 200	NULL
11	Header 210	10
12	Child 221	10
13	Child 220	10
14	Header 300	NULL
15	Child 310	14

AccountLedger Table 
Account	Value
3	50.00
3	10.00
3	50.00
3	80.00
3	40.00
4	20.00
4	10.00
4	100.00
5	80.00
5	90.00
5	60.00
6	100.00
8	40.00
8	70.00
8	10.00
8	40.00
9	20.00
12	60.00
12	30.00
12	70.00
13	10.00
13	100.00
15	30.00
15	90.00
15	40.00

OUTPUT NEEDED :-
AccountId	Parent	Name	value
1	NULL	Header 100	870.00
2	1	Header 110	590.00
3	2	Child 111	230.00
4	2	Child 112	130.00
5	2	Child 113	230.00
6	1	Child 120	100.00
7	1	Header 130	180.00
8	7	Child 131	160.00
9	7	Child 132	20.00
10	NULL	Header 200	270.00
11	10	Header 210	0.00
12	10	Child 221	160.00
13	10	Child 220	110.00
14	NULL	Header 300	160.00
15	14	Child 310	160.00

;With CTE1
AS
(
Select AccountId,AccountName, ParentId,null as Accountvalue From AccountList
Union All
Select A.AccountId, A.AccountName, A.ParentId,SUM(ISNULL(Accountvalue,0)) From AccountList A
Inner Join Accountledger T On A.AccountId = T.Account GROUP BY AccountId,AccountName,ParentID 
)
Select Accountid, AccountName ,ParentId,SUM(ISNULL(Accountvalue,0)) as AccountValue 
From CTE1 
Group By Accountid,AccountName, ParentId
ORDER BY AccountId--option (maxrecursion 0)