At a Price of $1

Multiple Choice

At a price of $1.20,a local coffee shop is willing to supply 100 cinnamon rolls per day.At a price of $1.40,the coffee shop would be willing to supply 150 cinnamon rolls per day.Using the midpoint method,the price elasticity of supply is about

A) 0.15
B) 0.375
C) 2.5
D) 2.60