翻译:报价时,请说明付款条件和数量(terms of payment and discount)

Please give us your quotation with terms of payment, ... 数量?

Terms of payment =
Terms specify the conditions required in payment for goods or services.
I.e. What the customer will get and when, and how they will pay for it.
Discount = cheaper price
$10.00 with a 10% discount
$10.00 - 10% = $9.00

Please specify the terms of payment and quantities when quotating .