Question

In: Economics

The table above shows a perfectly competitive firm's widget production and cost schedule. Suppose that the prevailing market price is $6.


Quantity (Q)Total Cost (TC)Average Total Cost (ATC)Marginal Cost (MC)
0$9----
1$10

2$12

3$15

4$19

5$24

6$30

7$49

The table above shows a perfectly competitive firm's widget production and cost schedule. Suppose that the prevailing market price is $6.

(a) Fill in the blanks of the table above.

(b) Find the profit-maximizing quantity using the condition MR = MC.

(c) Calculate the maximum profit using the following formula: Profit =(P − ATC)×Q

Solutions

Expert Solution

(a) Fill in the blanks of the table above.

Q TC ATC MC
0 9
1 10 10 1
2 12 6 2
3 15 5 3
4 19 4.75 4
5 24 4.8 5
6 30 5 6
7 49 7 19

ATC=TC/Q

MC= change in TC/change in Q

(b) Find the profit-maximizing quantity using the condition MR = MC.

6 units.

Explanation:

firm maximizes its profit where MR=MC. in perfect competition price=MR. so, at Quantity 6, MR equals MC.

(c) Calculate the maximum profit using the following formula: Profit =(P − ATC)×Q

firm maximizes its profit where MR=MC. here profit maximizing quantity is 6.

Profit =(P − ATC)×Q

=(6-5)*6

=6.


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