When a buyer accepts a supplier's standard terms and conditions, the risk is that those terms are drafted to protect the supplier, not the buyer.
Supplier terms typically limit liability, restrict warranties, and include supplier-favourable payment conditions.
Therefore, the buying organisation risks being bound by contract conditions that are favourable to the supplier (D).
Reference: CIPS L4M3 Commercial Contracting - "Standard forms of contract and the battle of the forms."

Call-off or blanket orders are common procurement tools used to streamline the acquisition of routine, low- value items. This reduces the administrative workload and simplifies the process, allowing multiple deliveries under a single contract, thereby increasing efficiency and control.
Reference:CIPS L4M3 Commercial Contracting Study Guide, Chapter 4, Section 4.1.2 - Use of call-off and framework agreements.

The market approach is a method of determining the value of an asset based on the selling price of similar assets.
A fixed-price strategy means you set a price and keep it constant for an extended period of time.
Cost-plus pricing is also known as markup pricing. It's a pricing method where a fixed percentage is added on top of the cost to produce A price index (PI) is a measure of how prices change over a period of time, or in other words, it is a way to measure inflation. There are multiple methods on how to calculate inflation (or deflation).
Reference: CIPS study guide page 176-179
LO 3, AC 3.3

Under the Sale of Goods Act and other applicable legislation, goods must be of satisfactory quality, fit for purpose, and as described. Perishable goods arriving in a spoiled state would not meet the standard of satisfactory quality, even if sold by sample or description. This is an implied term that protects the buyer.
Reference:CIPS L4M3 Commercial Contracting Study Guide, Chapter 3, Section 3.1.1 - Implied terms and quality standards.

Framework agreements allow for pre-approved suppliers to be used over a contract period with simplified ordering processes. A key benefit is the use of mini-competitions among these suppliers to secure value and innovation without repeating the full tender process. This approach is highly effective in dynamic sectors like telecommunications.
Reference:CIPS L4M3 Commercial Contracting Study Guide, Chapter 4, Section 4.1.2 - Framework agreements and mini-competitions.