Using the internet, 1) provide 3 examples of how price conveys information about product quality (high, medium and low) among products of the same type (among 3 types of cars, or 3 types of phones, et

Using the internet, 1) provide 3 examples of how price conveys information about product quality (high, medium and low) among products of the same type (among 3 types of cars, or 3 types of phones, etc.); and 2) provide 2 examples of different prices for exactly the same product. Provide possible explanations for 1 and 2. Please include URLs.