If the demand curve for a life-saving medicine is perfectly inelastic, then a reduction in supply will cause the equilibrium price to: rise and the equilibrium quantity to fall. rise and the equilibrium quantity to stay the same. rise and the equilibrium quantity to rise. stay the same and the equilibrium quantity to fall.

The correct answer is: rise and the equilibrium quantity to stay the same.

Explanation:

The demand curve for life-saving medicine is perfectly inelastic. This means the shape of the demand curve will be a vertical line. So when there is a reduction in supply, the supply curve will shift to the left.  

The new supply curve will intersect the demand curve at a higher point. The price will increase but the equilibrium quantity will remain the same.

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