Suppose When the Price of Mascara Is $12,the Quantity Demanded

question 24

Multiple Choice

Suppose when the price of mascara is $12,the quantity demanded is 450,and when the price is $8,the quantity demanded is 550.Using the mid-point method,the price elasticity of demand is:

• A) -0.5
• B) -2.0
• C) -55
• D) -180

---

Definitions:

Maturation

The process of becoming mature, involving growth and development in the physical, mental, or emotional faculties.

Language Development

The process by which children and adults acquire and improve their ability to perceive, comprehend, and produce language.

Secondary Reinforcer

A stimulus that gains its reinforcing properties through association with primary reinforcers, such as praise, money, or social approval.

Primary Reinforcer

A stimulus that satisfies a basic need or instinct and is inherently rewarding, such as food or water.