Question

Perfectly inelastic demand of a commodity means,
1) the cost of a commodity changes but the demand remains unchanged
2) the price of the commodity does not change with the change in its demand
3) the demand of a commodity does not change with the change in its price
4) the demand of some other commodity changes with the change in the price of one commodity.

Answer 1

3) the demand of a commodity does not change with the change in its price..............................

Answer 2

option 3......................