# Purchasing - [Purchase orders](https://learn.erpag.com/project/purchasing/purchase-orders.md) - [Receive inventory items](https://learn.erpag.com/project/purchasing/untitled.md) - [Return to supplier](https://learn.erpag.com/project/purchasing/return-to-supplier.md): To record a return to supplier, go to the list of purchase order and select the wanted purchase order from the list. - [Suppliers SKU](https://learn.erpag.com/project/purchasing/suppliers-sku.md) - [Landed cost](https://learn.erpag.com/project/purchasing/landed-cost.md) - [Utility Bills](https://learn.erpag.com/project/purchasing/untitled-2.md) - [Outstanding pay-outs](https://learn.erpag.com/project/purchasing/outstanding-pay-outs.md) - [Purchase report](https://learn.erpag.com/project/purchasing/purchase-report.md) - [Purchase by price](https://learn.erpag.com/project/purchasing/purchase-by-price.md) - [Supplier credit notes](https://learn.erpag.com/project/purchasing/supplier-credit-notes.md) - [Open purchase orders](https://learn.erpag.com/project/purchasing/open-purchase-orders.md) - [Tier quantity](https://learn.erpag.com/project/purchasing/tier-quantity.md) - [Price per quantity](https://learn.erpag.com/project/purchasing/price-per-quantity.md) - [Fulfillment flow](https://learn.erpag.com/project/purchasing/fulfillment-flow.md) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://learn.erpag.com/project/purchasing.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.