To ease the Bill and our work. Of course, we know that your work is very busy, and our system is cumbersome and not easy to calculate the quantity of visitors.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 the volume , however. We will be very glad if you can do to finish in time.