Which of the Following Companies Uses Product Line Pricing

Which of the following companies uses product line pricing?

A) Photo Genie, which sells inexpensive cameras that run only on their own expensive batteries
B) Mobile Point, which launched a range of cell phone models, each priced according to its features
C) Penguin's Parlor, which offers customers a 20-percent discount on their birthdays and certain holidays
D) Green Thumb, which gives away free watering cans with the purchase of certain potted plants
E) Panizza, whose combo meals are priced lower than the individual components sold together