单选题 Complete each definition by writing one word in the gap. The first letter has been written in for you.
When you telephone a supplier to order goods or services you place an order.

填空题 If you wish to continue a contract or agreement on the same terms you ask for an e ______.

填空题 Discounting products at certain times of the year, is known as s ______ discounting.

填空题 A company which uses its purchasing power to force its suppliers to give better and better prices is said to be s ______ them.

填空题 Materials in their basic state used in manufacturing are called r______ materials.

填空题 A contract to be the only agent representing a supplier is called an e ______ contract.

填空题 If, when your material costs increase, you increase the price to the final customer, then you p ______ the increase on.

填空题 The conditions in a contract stating when and how a supplier will be paid are called the payment t ______.

填空题 The reaction of customers to a particular product or service is known as customer f ______.