每人總金額 參加人員平分工作項目 (14449)

I2=SUMPRODUCT((VLOOKUP(T(IF({1},E$2:E$9)),B:C,2,)/(LEN(F$2:F$9)-LEN(SUBSTITUTE(F$2:F$9,",",))+1))*ISNUMBER(FIND(H2,F$2:F$9)))