ARRAY formula in C3 copied to full range. It covers all 10 modules.
To enter ARRAY formula![]()
=IFERROR(SUM(SUMIF(OFFSET('Units Sold by Model & Market'!$C$3:$C$22,21*(ROW($1:$10)-1),COLUMNS($C3:C3)-1),">0")*TRANSPOSE(OFFSET('Parts Table'!$D$3:$M$3,MATCH($B3,'Parts Table'!$B$3:$B$30,0)-1,0))),"")
Copy and paste the formula in cell
Press F2
Press Ctrl+Shift+Enter together
Excel covers the formula with {}.
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