20.
Suppose the firm whose data are given in the table to the right has to pay its workers $20 per hour but also suppose that fixed costs increase by $10 per hour. At this wage rate the approximate marginal cost of the 52
nd
unit of output is:
$ 4.00
$ 2.30
$8.00
$2.40
$5.00
Workers
Output
1
10
2
22
3
31
4
40
5
47
6
52
7
56
8
59
9
61
10
62
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