When Consumers' Incomes Decline During a Recession,they Increase Their Consumption

Multiple Choice

When consumers' incomes decline during a recession,they increase their consumption of instant coffee and reduce their consumption of other beverages.Therefore,instant coffee:

A) is a necessity because consumers buy more during a recession.
B) has a negative income elasticity of demand.
C) has an income elasticity of demand greater than zero but less than one.
D) is normal.