You are a sales manager for a large retail organization.

You are a sales manager for a large retail organization.
You are creating a Power Apps app that will display customer product purchase information from your old point-of-sale (POS) system and need to link those sales to the customer accounts and product sales in Dynamics 365 Commerce.
You need to use the appropriate component.
What should you use?
A. Common Data Service
B. business process flow
C. entity metadata
D. business rule