A company knows that the unit cost C and the unit revenue R from the production and sale of x units are related by C= $13/unit and the unit revenue is $1,000. OA. $1,521.00/unit OB. $871.70/unit OC. $65.00/unit OD. $1,196.35/unit 234,000 +8717. Find the rate of change of unit revenue when the unit cost is changing by

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