Answer:
Elasticity does not have a unit because it is a pure number
Demand is Elastic
TR decrease due to the demand been elastic. a rise in tuition fee causes the total revenue to decrease
Explanation:
Tuition fees increment by 25%
Student enrollment decreases by 3.5%
Price elasticity of demand=%change in quantity demanded / %change in price
= -3.5/ 2.5
= -1.40