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听力原文:W: Hi, Mr. Adams? M: Ah, Yes. You must be Kelly. Thanks for coming. W: Here's my card. M: Oh, the entrepreneurial spirit. It is hard to find a good babysitter on a Friday night. W: Well, I like watching kids, and I need the extra money. M: Well, I heard you were one of the best and most affordable babysitters in the area, and ... W: Uh, well, I'd like to talk to you about my new rate increases. M: Rate increases? W: You see, Mr. Adams. I've consulted with my financial advisor. Uh, my mother, and she says I should charge more per child since I do cook and clean your house while you're away. M: Oh, I see. So, what do you have in mind? W: Well, as I see it, I'd like to ask a dollar more per child per hour, and overtime after midnight. Based on my calculations, that's only 10.23% above the going market, and I'm now a certified babysitter with training in CPR. M: Oh, I never knew there were courses and certifications in babysitting. W: Times ate changing, Mr. Adams. I have to figure in expenses for a benefits package to cover college tuition, retirement, and my stock portfolio. Well, I tell my dad what to do. M: Ah now, you're pulling my leg. I mean, how old are you anyway? W: Old enough to be a tough negotiator. (23)