How can I make this M code into one step?     #"Added Custom3" = Table.AddColumn(FilteredFutureInv, "Custom", each #"FirstDayOfMonth" - [Date]),
    #"Changed Type3" = Table.TransformColumnTypes(#"Added Custom3",{{"Custom", Int64.Type}}),
    #"Added Custom4" = Table.AddColumn(#"Changed Type3", "AgingDate", each [Custom]-1),
    #"Removed Columns3" = Table.RemoveColumns(#"Added Custom4",{"Custom"}) Include at least 8 hashtags, starting with '#'
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