1. Define what is a purchase order.
2. What are the characteristics of a purchase order?
3. Describes the various functions of purchase orders.
4. Describes the steps to register a purchase order in the Sage 50 (Peachtree) program.
5. Describes differences between a purchase order and an invoice.
6. Explain the purchasing process:

• Description of purchase orders.
• Advantages and disadvantages.
• Components, tools, or elements that they use.
• Steps of the process.

Include references please, to know where to look for more information, Thanks!