Which Is the Best Example of Price Discrimination

Multiple Choice

Which is the best example of price discrimination?

A) an airline company charging lower fares per pound for air freight than for passengers
B) a telephone company charging lower rates to weekend users than weekday users
C) a supermarket charging lower prices in its city stores than its out-of-the-way rural store
D) a private doctor charging higher fees to patients receiving special services than patients receiving regular services