m/forms/d/e/1FAlpQLSfXKYsd1bqlrhxssAqztB2jHa3NpM7sF302ajml5YHgAQUtpg/viewform?. 3. Tony goes to a store to buy new shoes. The manager tells Tony they are going to be having a sale of 10% off shoes next week. Tony decides to wait next week to purchase his shoes. This is an example of what demand shift? * the the number of consumers O consumer income O consumer expectations O the price of a substitute good