W: We are unhappy with the machine we received last month. M: I’m very sorry to hear that. We seldom ____1__ about our products or services. W: Your trouble-free machine Lampe 300 has actually ___2__ in our workshop every day ever since it was set up by your engineer two weeks ago. You should either ____3__ or offer us a credit. M: Well, it’s not our policy to _4_____ or a credit before any investigation is made. W: I think you have guaranteed the machine for _5___ . M: That’s right. Anyway I’ll send our engineer over to your factory to _6____ first. W: I hope you can treat the matter as urgently as possible since we have many orders to fulfill nowadays.