In: Economics
a) Use the data in the table and calculate the average costs and the marginal cost
Output(units) |
Total cost |
AFC |
AVC |
ATC |
MC |
0 |
$400 |
||||
10 |
540 |
||||
20 |
620 |
||||
30 |
810 |
||||
40 |
910 |
b) Discuss the relationship between ATC and MC. Also draw a graph showing both curves.
The formula's to calculate AFC, AVC, ATC, MC are as follows:
TCn - TC n-1
TFC = $400 (becuase at output = 0 all costs are fixed costs and variable cost = 0 )
at 0 output fixed cost is not defined.
Output | Total cost | AFC | AVC | ATC | MC |
0 | 400 | not defined | not defined | not defined | not defined |
10 | 540 | 400/10 =40 | 140/10= 14 | 540/10= 54 | 540-400=140 |
20 | 620 | 400/20 = 20 | 220/20= 11 | 620/20= 31 | 620-540= 80 |
30 | 810 | 400/30 = 13.33 | 410/30= 13.66 | 810/30= 27 | 810-620= 190 |
40 | 910 | 400/4= 10 | 510/40= 12.75 | 910/40= 22.75 | 910- 810= 100 |
B) As quantity increases, ATC will decrease and MC will initially decrease and then increase. Eventually they intersect, then MC continues to increase and pulls ATC up after it. A firm's marginal cost curve also acts as its supply curve. I have shown all the average cost curves along with their intersectionality in one daigram. this will help you develop better analysis of the topic.
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