When a $.10 hike within the prices per gallon decrease the quantity of unleaded gas sold with 1 million gallons daily, and the quantity of unleaded premium gas sold through 2 million gallons daily, then: (w) the demand for unleaded regular is fewer elastic than the demand for unleaded premium. (x) the demand for unleaded regular is extra elastic than the demand for unleaded premium. (y) total revenue will increase for both kinds of gasoline. (z) More information is required to answer.
How can I solve my Economics problem? Please suggest me the correct answer.