Answer:The plan that covers other materials that are needed for the project along with estimated costs, timing and delivery and indicates whether there are any special situations, such as volume discounts is known as procurement plan.What is a procurement plan?A procurement plan is a document or a tool that is used to organize and manage the procurement activities of a project. The plan can include the selection of suppliers, contract negotiation, and purchasing strategies. It can cover various aspects of the procurement process such as the timing of delivery, estimated costs, and any special situations such as volume discounts. The procurement plan is an important part of project management as it helps to ensure that the project has the necessary resources to complete it successfully. It also helps to minimize the risk of delays and cost overruns. The procurement plan is usually developed during the planning phase of the project and is updated as needed throughout the project lifecycle. Keywords: procurement plan, project, estimated costs, delivery, volume discounts.