Below is the requirement:
1) User wants to filter out one value from DC column and see as by default whenever users opens the report.
2) User want to see one value of DC column till week 27 by default and after week 27, user needs to see values of DC column filtering out one value.
Suppose, we have values DC1, DC2, DC3, DC4 in DC column. So, user wants to see all four DCs till week-27 by default whenever users opens the report. But, after wk-27 user wants to see only DC1, DC2, DC3 only by default whenever users opens the report. User also don't want to remove DC4 after week-27 but he/she doesn't want to see by default and can select DC4 if wants to see the same.