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Assume your business sells its products in a Perfectly Competitive Market. Let’s

ID: 1137865 • Letter: A

Question

Assume your business sells its products in a Perfectly Competitive Market. Let’s say that fixed costs (FC) are $50.

Q Labor

Q Output

FC

VC

TC

MC

AFC

AVC

ATC

0

0

50

$0.00

50

1

20

50

$35.00

85

1.750

2.500

1.750

4.250

2

60

50

$75.00

125

1.000

0.833

1.250

2.083

3

150

50

$110.00

160

0.389

0.333

0.733

1.067

4

260

50

$140.00

190

0.273

0.192

0.538

0.731

5

350

50

$175.00

225

0.389

0.143

0.500

0.643

6

420

50

$215.00

265

0.571

0.119

0.512

0.631

7

455

50

$260.00

310

1.286

0.110

0.571

0.681

8

420

50

$315.00

365

-1.571

0.119

0.750

0.869

9

375

50

$390.00

440

-1.667

0.133

1.040

1.173

10

300

50

$500.00

550

-1.467

0.167

1.667

1.833

Use the Graph to determine at what output level MC and AVC are approximately equal?
HINT: Focus on the output level where MC crosses the line from below.
Answer: Q Output =

Use the Graph to determine at what output level are MC and ATC approximately equal?
HINT: Focus on the output level where MC crosses the line from beneath.
Answer: Q Output =

Use the Table to determine at what output level average total cost is the lowest. If there are two quantities, choose the larger Q Output.
Answer: Q Output = __________ and cost $=

Q Labor

Q Output

FC

VC

TC

MC

AFC

AVC

ATC

0

0

50

$0.00

50

1

20

50

$35.00

85

1.750

2.500

1.750

4.250

2

60

50

$75.00

125

1.000

0.833

1.250

2.083

3

150

50

$110.00

160

0.389

0.333

0.733

1.067

4

260

50

$140.00

190

0.273

0.192

0.538

0.731

5

350

50

$175.00

225

0.389

0.143

0.500

0.643

6

420

50

$215.00

265

0.571

0.119

0.512

0.631

7

455

50

$260.00

310

1.286

0.110

0.571

0.681

8

420

50

$315.00

365

-1.571

0.119

0.750

0.869

9

375

50

$390.00

440

-1.667

0.133

1.040

1.173

10

300

50

$500.00

550

-1.467

0.167

1.667

1.833

Explanation / Answer

at output level 20, MC and AVC are approximate equal.

at output level 420, MC and ATC are approximate equal

at output level 420, average total cost is the lowest.

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