听力原文：M: They are exactly what we need. The only problem is the price. W: How much do they cost? M: $60. W: If we buy 30, what discount will they give us? M: 10%. W: What if we bought 100? M: We'd get a higher discount, but we'd never be able to sell them all. Questions 1-8 •For question 1-8 you will hear eight short recordings. •For each question, mark one letter (A, B or C) for the correct answer. •After you have listened once, replay each recording. What will the price be if they buy 30?