I have a column that totals earning, B4:B, which sums up all values, however, I just want it to total values from last (most recent) Monday to Now, until it's Monday again, start over, the date column is A4:A.
I've tried;
=SUMIF(A4:A,">="&(DATEDIF(ARRAYFORMULA(A4:A),TODAY(),"D"),B4:C)")))")