Question : Adding a row of totals

Hi experts,

I have a query which produces some rows as in:

col1   col2   col3   col4
5          5        4        5
6          2        1        3
7          4        3        2

What I want to do is to add another row which contains the total of col1 col2 col3 and col4 eg:

col1   col2   col3   col4
18        11       8      10

How would I achieve this with just 1 query?

Answer : Adding a row of totals

Example
1:
2:
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4:
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6:
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8:
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declare @sometable table (
  id int identity, 
  col1 int,
  col2 int,
  col3 int,
  col4 int
)

insert into @sometable
select 1, 2, 3, 4 union all
select 5, 6, 7, 8
  
; WITH CTE AS  (
SELECT col1, col2, col3, col4
FROM @sometable
)
SELECT * from CTE
union all 
select SUM(col1), SUM(col2), SUM(col3), SUM(col4)
FROM CTE
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