The customer is an average, middle class person with moderate purchasing power. They need a small appliance for their home, like an air purifier.
In the given scenario, recommend an appropriate range for the cost of the item.
Based on the needs and purchasing power of the customer, an appropriate cost range for a small appliance like an air purifier would likely fall between $50 to $200. Within this range, they should be able to find a reliable and efficient air purifier that will meet their needs without straining their budget.