Calculating the price elasticity of demand - A step-by-step guide
Suppose that during the past year, the price of a laptop computer fell from $2,650 to $2,430. During the same time period, consumer sales increased from 495,000 to 664,000 laptops.
Calculate the elasticity of demand between these two price–quantity combinations by using the following steps. After each step, complete the relevant part of the table with the appropriate answers. (Note: For decreases in price or quantity, enter values in the Change column with a minus sign.)