I learned today from postmaster that A.P. price rises are due on satchels & parcels, commencing soon....can't find any information atm...please post here if you know anything

Just went to the post office. My post lady is angry how much they are going up the 3rd of July. the small prepaid bags are going up to $10.90!!!! medium bag $14.80 large $18.65 and xlarge $22.45!!!!! Soon it wont be worth sending anything