question when a demand curve possesses the characteristic of zero elasticity or perfect inelasticity, then…

question when a demand curve possesses the characteristic of zero elasticity or perfect inelasticity, then the curve demand curve is ______________. select the correct answer below: steeply upward - sloping steeply downward - sloping horizontal vertical
Answer
Brief Explanations:
In economics, when demand is perfectly inelastic (zero elasticity), quantity demanded does not change regardless of price changes. A vertical demand curve represents this situation where the quantity demanded remains constant at all price levels.
Answer:
D. vertical