# An automobile dealer can sell 12 cars per day at a price of \$21,000. He estimates that for each \$300 price reduction he can sell two more cars per day. If each car costs him \$18,000, and fixed costs are \$1000, what price should he charge to maximize his profit? [Hint: Let x = the number of \$300 price reductions.]How many cars will he sell at this price?

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An automobile dealer can sell 12 cars per day at a price of \$21,000. He estimates that for each \$300 price reduction he can sell two more cars per day. If each car costs him \$18,000, and fixed costs are \$1000, what price should he charge to maximize his profit? [Hint: Let x = the number of \$300 price reductions.]

How many cars will he sell at this price?

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Step 1

Given,

Number of cars sell in a day = 12

Price of a car is \$21,000.

For each car \$300 price reduction if he can sell two more cars per day.

Let be x unit 300 price reduction.

2x units increases in sale of car

Price = 21000 – 300x

Car sold = 12 + 2x

R(x) = (21000- 300x) (12+2x)

Cost; C(x) = 1000 + 18000(12+2x)

Then

Step 2

For critical ...

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