有勞各位幫我把以下的句子「中文」翻譯成「英文」，謝謝！

Method of Payment
Setting out the method of payment will give the customer a clear idea about how payments can be made.
A delivery note will be issued, and the payment will be collected by the accounting department thereafter.
We consider one year to be a reasonable timespan that is neither too long nor too short.

2008-03-25 16:33:44 補充：
first sentence

cutomer(s)

The charge way formulation charge way, may the visitor know pays
expenses the way. We can issue an invoice, then charges the related
fee by accountant. We establish for a year for the time to be able
quite reasonable, cannot long or too is short.

收費方式
Charge way
制定收費方式，可以令客人知道繳費途徑。

Formulation charge way, may the visitor know pays expenses the way.
我們會發出一張發貨票，然後由會計部收取有關費用。

We can issue an invoice, then charges the related fee by accountant.
我們設定一年為期會比較合理，不會過長或太短。
We establish for a year for the time to be able quite reasonable, cannot long or too is short.

Charging method
Fee-setting, guests can pay that way.
We will issue an invoice, and then from the accounting department to the fees.
We set for a period of one year would be more reasonable, and not too long or too short.

Charge way
The formulation charge way, may the visitor know pays expenses the way.
We can issue an invoice, then charges the related fee by accountant.
We establish for a year for the time to be able quite reasonable, cannot long or too is short.