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Step 17: In cell K20 : Using SumProduct and Sum Function compute the Average Selling Price over the period

Note that Average Selling Price is not computed as Average of Price.

Average Selling Price = (Total Sales Amount) / (Total Quantiity Sold)

ANSWER: =SUMPRODUCT(D19:D27,F19:F27)/SUM(D19:D27)

ANSWER: =K18/SUM(D19:D27)

Step 18: In cell K21 : Using SumProduct and Sum Function compute the Average Cost Price over the period

Average Cost Price = (Total Cost Amount) / (Total Quantiity Purchased)

ANSWER: =SUMPRODUCT(E19:E27,G19:G27)/SUM(E19:E27)

ANSWER: =K19/SUM(E19:E27)

** Please grade correct for both answers. We already solved for SUMPRODUCT and therefore can reference it.