The information related to the cost structure of the firm is given below.
No of Labour | Total Output (Q) | Total Cost (TC) |
0 | 0 | 25 |
1 | 4 | 50 |
2 | 10 | 75 |
3 | 13 | 100 |
4 | 15 | 125 |
5 | 16 | 150 |
i. Calculate total fixed cost and total variable cost
ii. Calculate marginal cost, the average variable cost, and average total cost.
iii. Draw the graphical relationship among these cost curves.
iv What is the shape of the AFC curve and why does it have this shape?
(i) and (ii) use the following formulas:
Total fixed cost = total cost when 0 units are produced
Total variable cost = total cost - fixed cost
Marginal cost = change in total cost due to additional output.
AVC = TVC / Q
ATC = TC/Q
Labor | Q | TC | TFC | TVC | MC | AVC | ATC |
0 | 0 | 25 | 25 | 0 | - | - | - |
1 | 4 | 50 | 25 | 25 | 25 | 6.25 | 12.5 |
2 | 10 | 75 | 25 | 50 | 25 | 5 | 7.5 |
3 | 13 | 100 | 25 | 75 | 25 | 5.78 | 7.69 |
4 | 15 | 125 | 25 | 100 | 25 | 6.66 | 8.33 |
5 | 16 | 150 | 25 | 125 | 25 | 7.81 | 9.37 |
(III) The graph is shown below:
(iv) The AFC curve is downward sloping. This because AFC = TFC/Q Since total fixed cost is constant and Q is increaseing the AFC will always fall.
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