Early book closing due to Merger and Acquisition

We are on 11.5.10.2 instance, and our calendar starts on 1st Aug and ends 31st Jul.

Currently we are acquired by another company. So business wants to close the books one day before the acquisition date of 7th November16 and close the income statement and post the difference to the Retained earnings account (as we do during the year end  closing).

Now the requirement is -

1. Business wants to close the books on the 6th of November and generate the TB for the existing entity. Update correct beginning  balances automatically in the next year (Start 7th Nov-16).

2. Ability to run the TB