Why it costs
44 cents for a first-class stamp? We can deliver the math on that.
The U.S. Postal Service’s accounting is an arcane art, but here’s an educated estimate of the costs of delivering a first-class letter. Less than half of the cost is directly attributable to sorting and delivering the letter. The rest goes to the Postal Service’s general overhead costs. Even then, it will lose about 4 cents on the transaction as it struggles to meet unfunded obligations to its retirees.