A great article on the rollback rates is provided by Mark Fallon at The Berkshire Company:
On Friday, February 5, The United States Postal Service (“USPS”) released the draft postage rates for the rollback of the Exigent Rate Increase in April. While there remains some uncertainty around the implementation date, this is good news for mailers.
Most commercial mailers will see rates drop around 4.1%, depending upon class of mail and level of sortation. For First-Class Mail, the new rates for one-ounce letters are: