Say the stamp costs double and it now costs a dollar to mail an envelope instead of 50 cents. No one is priced out of mailing a letter, and we are in a better p

Say the stamp costs double and it now costs a dollar to mail an envelope instead of 50 cents. No one is priced out of mailing a letter, and we are in a better position s the net benefit is better off (total cost is lower than the previous total cost)