The monthly demand equation for an electric utility company is estimated to be p=58105x, where p is
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Question:
The monthly demand equation for an electric utility company is estimated to be
p=58105x,
where p is measured in dollars and x is measured in thousands of killowatt-hours. The utility has fixed costs of
$5,000,000
per month and variable costs of
$32
per 1000 kilowatt-hours of electricity generated, so the cost function is
C(x)=5106+32x.
(a) Find the value of x and the corresponding price for 1000 kilowatt-hours that maximize the utility's profit.
(b) Suppose that the rising fuel costs increase the utility's variable costs from
$32
to
$46,
so its new cost function is
C1(x)=5106+46x.
Should the utility pass all this increase of
$14
per thousand kilowatt-hours on to the consumers?
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