Enter a SUMIFS function into cell B12 on the Contribution worksheet that sums the fixed product costs on the Sales and Cost Data worksheet. The setup of this function is identical to the SUMIFS function in step 4 with the following changes: This function should find a match to the item in cell A12 (Product) in Column C on the Sales and Cost Data worksheet. This function should also find a match to the item in cell A11 (Fixed Cost) in Column D on the Sales and Cost Data worksheet. Add cell capacity to include Row 100 on the Sales and Cost Data worksheet.