Làm hộ mình câu này nhé ưu tiên cho mấy bạn chuyên anh

Hello,
I have seen your ad in a magazine. The items you sell are very nice. Today I decided to write this letter to ask you further about its information. I have been riding an old bicycle for a long time. Up to now, it was very old and small already. So I really need it right now. Can I ask if there are red and black bicycles there for teenagers? If yes, what is the price?

And the other question I want to ask you: Does it come with a guarantee? Can I returnable it? How much is it tax? 

Please contact me at............ @ gmail.com to answer my Questions. I am waiting for your reply as soon as well.
Wish you a good sales

Best wishes
@ ThienMunz24

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CHO MÌNH XIN HAY NHẤT NHA. THANKS BẠN