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| Teaching Since: | Apr 2017 |
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| Questions Answered: | 352 |
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MBA,PHD in Psychology
Northwest Florida State College
Jun-1992 - May-1997
Professor
Northwest Florida State College,
Aug-2006 - Nov-2015
The owner of an optometry practice, in a city with more than a hundred other such practices, has the following demand and cost schedules for eye exams:
|
Price |
Eye |
Total |
Total |
 |
 |
|
per |
Exams |
Cost |
Revenue |
 |
 |
|
Eye |
per |
per |
per |
Marginal |
Marginal |
|
Exam |
Week |
Week |
Week |
Revenue |
Cost |
|
$100 |
100 |
$10,500 |
|||
|
$ 80 |
140 |
$10,800 |
|||
|
$ 60 |
200 |
$11,300 |
|||
|
$ 40 |
310 |
$12,290 |
|||
|
$ 20 |
550 |
$14,762 |
|||
a. Fill in the columns for total revenue, marginal revenue, and marginal cost. (Remember to put MR and MC between output levels.)
b. Briefly explain why an optometry practice (like this one) might face a downward-sloping demand curve, even if it is one out of more than a hundred.
c. Use the data you filled in for the marginal revenue and marginal cost columns to find the profit maximizing price and the profit-maximizing number of eye exams per week for this practice.
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