A local bakery says that when the price of a donut is $0.9…
A local bakery says that when the price of a donut is $0.90, the store sells 145 croissants per day. When the price of a donut is raised to $1.10, croissant purchases increase to 155 per day. The cross-price elasticity of demand for croissants using the midpoint method is ________.