[Mc_Big_G]

"It’s five days of delivery, six days of service and Express Mail seven days a week"

"It also will save more than $3 billion a year"

If both of those are true, the change is reasonable.

[mikek]

They still deliver 177 billion pieces of mail a year. By raising the price of delivery by 2 cents, they could make up the difference.

[hexis]

Raising prices by ~4.5 percent will probably reduce the flow of mail.