Test Prep For AP® Courses

37.

What is the marginal cost of the third unit of output?

Quantity Total Revenue Total Cost
0 $0 $10
1 $20 $18
2 $36 $24
3 $48 $28
4 $56 $36
5 $60 $46
6 $60 $58
Table 7.8
  1. $4
  2. $10
  3. $28
  4. $48
  5. $60
38.

What is the average profit from selling four units of output?

Quantity Total Revenue Total Cost
0 $0 $10
1 $20 $18
2 $36 $24
3 $48 $28
4 $56 $36
5 $60 $46
6 $60 $58
Table 7.9
  1. $4
  2. $5
  3. $10
  4. $20
  5. $56
39.

Which of the following events can be classified as a firm experiencing diseconomies of scale?

  1. The firm’s total revenues begin to decline.
  2. The firm is operating at a point where long-run average costs are falling.
  3. The firm’s average total costs are constant.
  4. The firm is operating at a point where marginal costs are rising.
  5. The elasticity of demand for a firm’s product is –3.