Given that the total production of Bandako farmers with one worker is 10kg. When the workers increased to 2, 3, and 4, the total production increases to 20, 36 and 60kg respectively. Calculate the average product (AP) of the 4th unit of labour.
A. 20 B. 13 C. 15 D. 10
Correct Answer: C
Explanation
In this case, 4 workers produce 60kg of output therefore, the Average product of labour for the 3rd unit is 15kg. Given by:
Average product = \(\frac{\text{Total product}}{\text{Variable product}}\)