Final answer:
Purchasing's primary role is to negotiate prices and delivery dates and satisfy the firm's short-term and long-term supply needs.
Step-by-step explanation:
The statement that is true regarding purchasing is c. Purchasing's primary role is to negotiate prices and delivery dates.
Purchasing plays a crucial role in managing the supply chain of a business. While it involves placing and tracking orders, its primary role is to negotiate prices and delivery dates with suppliers. This helps the business ensure efficient and cost-effective procurement of goods and services.
In addition to negotiating prices and delivery dates, purchasing departments must also satisfy the firm's short-term and long-term supply needs (d). They are responsible for managing inventory levels, forecasting demand, and establishing relationships with reliable suppliers.