Let's say your company keeps a record of its inventory in the worksheet shown in Figure A.
You need to calculate the total value of the inventory-on-hand from this worksheet. Your first instinct may be to create a new column that multiplies the cost of each item by its quantity and then sum the values obtained. An alternative way is to use Excel's SUMPRODUCT function, which adds and multiplies in one step. Using this example, click in G2 and enter the following formula, as shown in Figure B:
SUMPRODUCT multiples the values in the range B2:B11 by the values in C2:C11 and then returns the sum of those products.
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