A purchase order $($PO$)$ is $\_\_\_\_\_\_\_\_\_\_.$

Answer

a type of purchasing contract in which the price of a good or service is tied to the cost of some key input$($s$)$ or other economic factors, such as interest rates

a document that authorizes a supplier to deliver a product or service and often includes key terms and conditions, such as price, delivery, and quality requirements

a document containing terms and conditions for a purchased service that indicate, among other things, what services will be performed and how the service provider will be evaluated

a type of purchasing contract in which the stated price does not change, regardless of fluctuations in general overall economic conditions, industry competition, levels of supply, market prices, or other environmental changes