To ease the Bill and our work. Of course, we know that your work is very busy, and our system is cumbersome and not very much quantity calculation.However, we would be very glad if you can continue to be done at once.
To facilitate billing, and our work , we know that your work is very busy, and our system is complicated and makes you easy to calculate how much , however. We will be very glad if you can do to finish in time.