Verb conjugation of "löschen" in German

As I have already mentioned in my last email, it is a breakthrough, I have never been so successful. I have visited several Spanish schools and would like to discuss that by telephone with you.
Could you please read the following offers in a critical manner and confirm it before I will send it? I have also mentioned the warranty and the software in the offer, because it was requested by the customer.
I like music very much too. I prefer classic music, but rock is also good. When you come to my Berlin we need to out to concerts together and visit a few bars. They are all close to the center.