Imagine you work at Nike estimating the demand for shoes. Your boss tells you that due to new import tariffs, you need to increase the price of your product by 20%. She asks you to calculate what the percentage impact of this will be on sales. What should you calculate? Group of answer choices Elasticity of demand for shoes with respect to income Elasticity of demand for shoes with respect to own price Partial derivative of demand for shoes with respect to own price Engel curve for shoes