Question: This is a thinking question. In general, higher quality goods tend to be more expensive than lower quality goods. Exceptions include things like produce (fruits and vegetables). This exception is often stated as "Al's watermelon rule". It goes like this.

Over the course of a summer, the cheapest watermelons taste the best.

Using a sketch of supply and demand, show graphically and briefly explain Al's watermelon rule. (10 pts.)