Listen If income elasticity of demand is -2.3, then the good is An inferior good A necessity good. A giffen good A luxury good Listen In the market for a particular pair of sunglasses, Eboni is willing to pay $90 for a pair while Alexa is willing to pay $90 for a pair. The actual price that each has to pay for a pair of sunglasses is $55. What is the combined amount of consumer surplus of Eboni and Alexa?