Apple is currently charging $179 for their AirPods and wants to conduct market research to see
what will happen when they raise or lower the price. At one test location, with the price of $179 they
sold 45 AirPods in a week. Data showed that for every $2 increase in price, sales declined about 3
sales per week.
Assuming that this data can be counted on to represent how changing the price affects the number
of buyers generally, mathematize this situation.'