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# Marignal revenue function for The Zinger company

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The Zinger Company manufactures and sells a line of sewing machines. Demand per period (Q) for a particular model is given by the following relationship:
Q = 400 - .5P
where P is price. Total costs (including a "normal" return to the owners) of producing Q units per period are:
TC = 20,000 + 50Q + 3Q2. What is the marginal revenue function for Zinger Company?

a. 2Q2 - 800

b. 400 - 2Q2

c. 800 - 2Q

d. 800 - 4Q

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https://brainmass.com/economics/microeconomics/marignal-revenue-function-for-the-zinger-company-78526

#### Solution Preview

The Zinger Company manufactures and sells a line of sewing machines. Demand per period (Q) for a particular model is given by the following relationship:
Q = 400 - ...

#### Solution Summary

Solution explains how to arrive at marginal revenue function using first order derivative

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