ปริมาณการสั่งซื้อนี้คิดรวมต่อปี
This is the price for the order volume of the year.
This is the price for the quantity to order all the year round.
This is the price for the quantity to order per year.
This order quantity is quantity ordered per year.
This price is for quantity ordered per year.
based on your quantity ordered per year.
The price is based on your quantity ordered in 2013.