At a Price of $1

Multiple Choice

At a price of $1.00,a local coffee shop is willing to supply 100 cinnamon rolls per day.At a price of $1.20,the coffee shop would be willing to supply 150 cinnamon rolls per day.Using the midpoint method,the price elasticity of supply is

A) 0.45
B) 0.90
C) 1.11
D) 2.20