I am trying to use sumifs formula but it is giving error :
=SUMIFS($B$2:$CK$13,$A$2:$A$13,B$15,$B$1:$AX$1,$A16)
Here is example file : https://a.uguu.se/FFdzUAVNDBbN.xlsx
the only problem i think of is sum_range not being same as criteria range, if there is any other formula that will work...