Converting existing EPBCS and FCCS standalone licenses to Enterprise license

Summary:

We are in the process of procuring Oracle EPM Enterprise license. We are already using EPBCS and FCCS Clouds but as individual standalone licenses.

Content (please ensure you mask any confidential information):

We are in the process of procurement Oracle EPM Enterprise license. We are already using EPBCS and FCCS Clouds but as individual standalone licenses. We want to understand what is the process of converting our standalone environments to Enterprise license. Who owns this activity? Is it Oracle who is going to do the conversion or it is up to us customers to do the conversion? We have below series of questions