This topic is also covered in the following Microsoft Learn content: 

Get started with Trade in Microsoft Dynamics 365 Business Central
Sell items and services in Microsoft Dynamics 365 Business Central
Post sales and purchase invoices in Microsoft Dynamics 365 Business Central
Return items in Microsoft Dynamics 365 Business Central
Assemble items in Microsoft Dynamics 365 Business Central
Purchase items and services in Microsoft Dynamics 365 Business Central
Replenish items in Microsoft Dynamics 365 Business Central

Purchase, sale and return of inventory in Dynamics 365 Business Central

This course provides you with the knowledge and skills to handle the purchase, sale and return of inventory. You will learn how to manage sales and purchase transactions, including prices and discounts, item charges and order promising. Requisition management will be covered, as well as returns management and customer service features.

For information on how to run this downloaded course, see https://aka.ms/runcourse.