Question

Answer the question on the basis of the following information: Number of Total Marginal Workers Product Product 0 8 0 8 10 2 3 4 5 6 25 30 3 34 Refer to the data. The marginal product of the fourth worker:

Answer 1

No. Of Workers	Total Product	Marginal Product
0	0	-
1	8	8
2	18	10
3	25	7
4	30	5
5	33	3
6	34	1

The marginal product can be calculated as follows

$\large MP_L = \frac{\triangle TP}{\triangle L}$

$\large MP_L = \frac{TP_2 - TP_1}{ L_2 - L_1}$

For 2 units of Labour

$\large 10 = \frac{TP_2 - 8}{ 2 - 1}$

Thus, at L= 2, Total product = 18

At L = 3

MPL = (25 - 18)/(3-2) = 7/1 = 7

At L = 4

MPL = (30-25)/(4-3) = 5/1 = 5

At L = 5

MPL = (TP2 - 30)/(5-4)

3 = TP2 - 30

TP2 = 33

At L = 6

MPL = (34-33)/(6-5) = 1

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