If the Elasticity of Demand for Tongue Depressors Is 0

Multiple Choice

If the elasticity of demand for tongue depressors is 0.5,

A) a 10% rise in the price of tongue depressors will lower quantity demanded by 50%.
B) an increase in the price of tongue depressors will lower total revenue for sellers.
C) a 10% increase in the price of tongue depressors will not change its total revenue.
D) a 10% fall in the price of tongue depressors will raise quantity demanded by 5%.