Question: Identify whether each of the following is an example of price discrimination. Explain your answers.
a. A cell phone carrier offers unlimited calling on the weekends for all of its customers.
b. Tickets to the student section for all basketball games are $5.
c. A restaurant offers a 20% discount for customers who order dinner between 4 and 6 p.m.
d. A music store has a half-price sale on last year's guitars.
e. A well-respected golf instructor charges each customer a fee just under the customer's maximum willingness to pay for lessons.