This is more of an annual cloud user subscription question than a technical how to.
This is the situation:
An organization has two different Cloud JIRA instances (A and 
"A" has quantity 400 JIRA licenses with end date of September 2019
"B" has quantity 400 JIRA licenses with end date of June 2019
They want to have only one instance of JIRA by May 2019 and upgrade JIRA to 1000 licenses based on currently owning 800 total JIRA licenses.
I believe the answer of getting an upgrade quote to 1000 from 800 at this time is not possible since the two instances are not merged as of yet? Is this correct?
Do they have to migrate instance "B" data to "A" and then upgrade instance "A" by 600 to get a total of 1000, forfeiting the quantity that is in instance "B"?
Thanks for your help.