PQ - How to get Total via Power Query

[sandy666]

Source						Result
First	Second	Third	Fourth	Fifth		Label	First	Second	Third	Fourth	Fifth
69	76	37	40	10		Data	69	76	37	40	10
98	51	41	59	82		Data	98	51	41	59	82
86	90	69	72	87		Data	86	90	69	72	87
33	50	92	27	45		Data	33	50	92	27	45
15	72	61	41	93		Data	15	72	61	41	93
80	46	73	93	51		Data	80	46	73	93	51
1	89	18	64	54		Data	1	89	18	64	54
69	42	89	75	64		Data	69	42	89	75	64
						Total	451	516	480	471	486

let
    Source = Excel.CurrentWorkbook(){[Name="Table1"]}[Content],
    Label = Table.AddColumn(Source, "Label", each "Data"),
    Move = Table.ReorderColumns(Label,{"Label", "First", "Second", "Third", "Fourth", "Fifth"}),
    AddTotal = Table.AddColumn(Move, "Custom", each "Total"),
    Group = Table.Group(AddTotal, {"Custom"}, {{"First", each List.Sum([First]), type number}, {"Second", each List.Sum([Second]), type number}, {"Third", each List.Sum([Third]), type number}, {"Fourth", each List.Sum([Fourth]), type number}, {"Fifth", each List.Sum([Fifth]), type number}}),
    Ren = Table.RenameColumns(Group,{{"Custom", "Label"}}),
    Append = Table.Combine({Move, Ren})
in
    Append