Hi all,
I have the following formula that works perfectly....
=SUM(SUMPRODUCT(AP17:AQ22*AP16:AQ16))
However, when i try to lookup a value like so....
=SUM(SUMPRODUCT(O5:Q8*VLOOKUP(O3:Q3&"-"&O4:Q4,BK6:BN35,4,FALSE)))
it doesn't work, even when I CSE the formula.
I think i am batting along the...