When Income Increases from $30,000 a Year to $40,000 a Year,the

question 89

Multiple Choice

When income increases from $30,000 a year to $40,000 a year,the quantity demanded of weekend vacations by Sara increases from 2 a year to 5 a year.For Sara,the income elasticity of demand of weekend vacations is ________ and weekend vacations are ________ good.

• A) 3; a normal
• B) 4.5 a normal
• C) 1/3; an inferior
• D) -4.5; an inferior
• E) 1/3; a normal

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Definitions:

Sensorineural Deafness

A type of hearing loss resulting from damage to the inner ear or the neural pathways from the inner ear to the brain.

Blind Spot

The area of the retina where axons from ganglion cells meet to form the optic nerve.

Pitch

The highness or lowness of a sound, as determined by the frequency of the sound waves.

Lens

A transparent body behind the iris that focuses an image on the retina.