Go to Setup | Company | Enable Features. ACCOUNTING, ACCOUNTING PERIODS, and A/R on the Accounting tab need to be enabled for the order-to-cash process.
We can also enable specific item types, allowing us to sell different types of products. We find the options on the Items & Inventory tab:
INVENTORY is just one of the options. It is used to purchase physical goods from a vendor and resell them to a customer while tracking the location of the inventory throughout that process.
ASSEMBLY ITEMS are items that we manufacture from components. The components are therefore set up as inventory items and ...