If quantity demanded is completely unresponsive to price changes, demand is

A) perfectly inelastic.
B) perfectly elastic.
C) relatively inelastic.
D) relatively elastic.

Perfectly Inelastic

A situation in demand or supply in which the quantity demanded or supplied does not change regardless of changes in price.

Quantity Demanded

The specific amount of a good or service consumers are willing to purchase at a given price.

Price Changes

Variations in the cost of goods and services over time in the market.