You are a salesperson using Dynamics 365 Sales. An invoice needs to be created on an order. The Create Invoice button is not visible. You need to determine why the Create Invoice button is not visible. Why is the button missing? 

Answer options:

A. The sales order is not complete.
B. The price list has expired.
C. The sales order processing integration is enabled.
D. You have not selected the Get Products button.

C

Reference: https://docs.microsoft.com/en-us/dynamics365/sales-enterprise/ts-orders