Suppose Melody owns a business giving piano lessons. Assume that the market for piano lessons is perfectly competitive and that the equilibrium price of a piano lesson is $20. Melody's total costs vary depending on the number of piano lessons she offers each day, as shown in the table below. Number of lessons Total cost per day per day ($) 0 30 1 50 2 68 3 78 4 96 5 115 6 138 168 208 7 8 a. When Melody gives 3 lessons per day, what is her average variable cost? b. What is the profit-maximizing number of lessons for Melody to give each day? lessons per day c. What is Melody's daily economic profit at her profit-maximizing number of lessons? Instructions: If you are entering a negative number, be sure to include a negative sign (-). +A d. Should Melody shut down? No. Melody should not shut down. Yes. Melody should shut down. e. If Melody's fixed cost rises, then what will happen to her profit-maximizing number of lessons? O There would be a decrease in the number of lessons. There would be no change. O There would be an increase in the number of lessons.

Economics:
10th Edition
ISBN:9781285859460
Author:BOYES, William
Publisher:BOYES, William
Chapter22: Supply: The Costs Of Doing Business
Section: Chapter Questions
Problem 14E
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Suppose Melody owns a business giving piano lessons. Assume that the market for piano lessons is perfectly competitive and that the
equilibrium price of a piano lesson is $20. Melody's total costs vary depending on the number of piano lessons she offers each day, as
shown in the table below.
Number of lessons Total cost per day
per day
($)
0
30
1
50
2
68
3
78
4
96
5
115
6
138
168
208
7
8
a. When Melody gives 3 lessons per day, what is her average variable cost?
b. What is the profit-maximizing number of lessons for Melody to give each day?
lessons per day
c. What is Melody's daily economic profit at her profit-maximizing number of lessons?
Instructions: If you are entering a negative number, be sure to include a negative sign (-).
+A
Transcribed Image Text:Suppose Melody owns a business giving piano lessons. Assume that the market for piano lessons is perfectly competitive and that the equilibrium price of a piano lesson is $20. Melody's total costs vary depending on the number of piano lessons she offers each day, as shown in the table below. Number of lessons Total cost per day per day ($) 0 30 1 50 2 68 3 78 4 96 5 115 6 138 168 208 7 8 a. When Melody gives 3 lessons per day, what is her average variable cost? b. What is the profit-maximizing number of lessons for Melody to give each day? lessons per day c. What is Melody's daily economic profit at her profit-maximizing number of lessons? Instructions: If you are entering a negative number, be sure to include a negative sign (-). +A
d. Should Melody shut down?
No. Melody should not shut down.
Yes. Melody should shut down.
e. If Melody's fixed cost rises, then what will happen to her profit-maximizing number of
lessons?
O There would be a decrease in the number of lessons.
There would be no change.
O There would be an increase in the number of lessons.
Transcribed Image Text:d. Should Melody shut down? No. Melody should not shut down. Yes. Melody should shut down. e. If Melody's fixed cost rises, then what will happen to her profit-maximizing number of lessons? O There would be a decrease in the number of lessons. There would be no change. O There would be an increase in the number of lessons.
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