Look at the passage below.Some information is missing.You will hear a woman ta

M: OK, Mrs. Lewis, I’d like to know something about our sales targets for low price range sports shoes.
F: Well, we aim at selling 7,000 units of tennis shoes, 9,000 units of running shoes and 8,000 units of track shoes. Each unit of tennis shoes Costs ￡45, each unit of running shoes costs ￡38,and each unit of track shoes costs ￡41.
M: How about our sales targets for medium range sports shoes?
F: As medium range sports shoes sell better in the market, we are aiming at higher targets. We plan to sell 10,000 units of tennis shoes, 12,000 units of running shoes and 11,000 units of track shoes. Each unit of tennis shoes costs￡70, each unit of running shoes costs ￡62, and each unit of track shoes costs ￡66.
M: Thank you, Mrs. Lewis.
F: It’s my pleasure.