You are responsible for the company network and provide technical support for your company. You are in charge of offering service for a customer named Alex. According to the requirement of Alex, you attempt to reconcile a software entitlement for him. This morning you get two reports from Alex. One is about Microsoft License Statement (MLS) and the other one is about reseller purchase history. In these two reports, both of product description and purchase order number and date are contained. Now the customer requires that an additional data field should be added to the two reports. So of the following data fields, which one should be identified?

A.
Customer name should be identified.

B.
Manufacturer part number should be identified.

C.
Purchase order date should be identified.

D.
Agreement enrollment number should be identified.