帮我翻译下吧，非常感谢哦，中文翻译英文~

人工翻译，请鉴定！
Excuse me,I was so busy these days that I had no time to go online until my computer was connected with the Internet today.Upon seeing your letter,I delivered your goods.However,there was only one red piece left which you had ordered three,so I replaced with a black one.I'm so sorry!
In addition,I made a mistake when I counted the total price of your goods and the carriage charges so that I lost money. But because you are my regular customer and we are also friends,I still delivered your goods.
At last ,I hope you'll be happy everyday.

Sorry, I have been busy with moving so because of the Internet, new haven't been here today, even on the network, you see your letter of goods, but I have made you a red one to three, but only one, and a bright red color of no, I changed the black, sorry!
Another is the last of the total value of the time I went wrong, you these goods plus freight, I'm lost money, but because you are old customer, we