--Calculations portion of query
SELECT
    FNL.*
INTO
    #Final_Calc
FROM
    (
     DECLARE @i INT
     SET @i = 0

     WHILE (@StartDte + @i <= @EndDte)
     BEGIN
          SET @i = @i + 1

          SELECT
             YEAR(ACD.WorkDte) AS WorkDte,
             'LOB - ALL ACM' AS RptType,
             'Month' AS RptLvl
          FROM
             #FinalResults ACD
          WHERE
             ACD.WorkDte BETWEEN @StartDte AND @StartDte + @i
          GROUP BY
             Year(ACD.WorkDte), ACD.LOB
     END
     GO) fnl