State the phases in the Law of Variable Proportions with the help of a total product schedule.

Explanation

The three phases of the law are :
Phase (1) Upto two units of variable input .TP increases at increasing rete and MP rises.
Phase (2) From 3 to 5 units of variable input ,TP increases at diminishing rate and MP falls but reamains positive.
Phase (3) From 6th unit TP falls and MP becomes negative .