Case
WHEN Submit Date > (Current Date -7)                                      THEN WK1:<Today's date - Today's Date - 7>       Desired Result:   WK1:1/11/2019 - 1/04/2019
WHEN Submit Date > (Current Date -7  AND Submit Date < (Current Date -14) THEN WK2:<Today's date  -7 -- Today's Date -14>  Desired Result:   WK1:1/04/2019 - 12/28/2019          
WHEN Submit Date > (Current Date -14 AND Submit Date < (Current Date -21) THEN WK3:<Today's date -14 -- Today's Date -21>  Desired Result:   WK1:12/28/2019 - 12/21/2019
WHEN Submit Date > (Current Date -21 AND Submit Date < (Current Date -28) THEN WK4:<Today's date -21 -- Today's Date -28>  Desired Result:   WK1:12/21/2019 - 12/14/2019
WHEN Submit Date > (Current Date -28 AND Submit Date < (Current Date -31) THEN WK5:<Today's date -28 -- Today's Date -31>  Desired Result:   WK1:12/14/2019 - 12/07/2019

ELSE Return This

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