When Revising a Quote can an older version be the surviving record?

During negotiations with a customer, an end user can add or delete products from a quote and compare features and price. The Revise feature allows an end user to revise the original quote by creating a new quote record with the same quote number. The versions are distinguished by a revision number. All revisions of a quote appear in the quote list and only the most recent is active.  What is the best appoarch if the customer now agrees to one of the previous versions of the quote?  Can we simply active the previous version and inactivate the most recent