Work the following problem. (See Example.)The revenue (in millions of dollars) from the sa...

Work the following problem. (See Example.)

The revenue (in millions of dollars) from the sale of x units at a home supply outlet is given by R(x) = .21x. The profit (in millions of dollars) from the sale of x units is given by P(x) = .084x - 1.5.

(a) Find the cost equation.

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(b) What is the cost of producing 7 units?

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(c) What is the break-even point?

Example

Find the break-even point for the company in Example 6.