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Return on Investment (ROI)

Return on Investment (ROI) is a performance measure that is used to evaluate the efficiency or profitability of an investment, or to compare the efficiency of different investments. It's calculated by dividing the profit from an investment (return) by the cost of that investment. The higher the ROI, the better the investment has performed. In marketing, ROI could mean the amount of revenue generated from a campaign compared to the cost of running that campaign.

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