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A telephone company in a town has 500 su...

A telephone company in a town has 500 subscribers on its list and collects fixed charges of Rs. 300/- per subscriber per year. The company proposes to increase the annual subscription and it is beloeved that for every increase of Rs. 1/- one subscriber will discontinue the service. Find what increase will bring maximum profit ?

Text Solution

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The correct Answer is:
x = 100
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