A customer is licensed for Microsoft Core CAL Suite through an Enterprise Agreement (EA).
One year into the EA, the customer wants Enterprise Mobility + Security E3.
What is the lowest cost option?
A. Enterprise Mobility + Security E3 Add-on to Core CAL Suite User Subscription Licenses (USLs)
B. Core CAL Suite Bridge for Enterprise Mobility + Security User Subscription Licenses (USLs)
C. Enterprise Mobility + Security E3 full User Subscription Licenses (USLs)
D. Enterprise Mobility + Security E3 From SA User Subscription Licenses (USLs)
