When Demand Is Perfectly Inelastic,the Price Elasticity of Demand

question 17

Multiple Choice

When demand is perfectly inelastic,the price elasticity of demand

• A)is zero,and the demand curve is vertical.
• B)is zero,and the demand curve is horizontal.
• C)approaches infinity,and the demand curve is vertical.
• D)approaches infinity,and the demand curve is horizontal.

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Definitions:

Master PLC

The primary programmable logic controller in a network or system, responsible for coordinating communication and data exchange between connected PLCs or devices.

PID Controller

A proportional–integral–derivative controller used in industrial control systems to continuously calculate an error value and apply correction.

Optimum Performance

The most efficient and effective level of functioning of a system or device.