The cost coverage for U.S. outbound mail, without considering the 7.5 percent surcharge, would be reduced from 144.
There is a 7.5% surcharge on all U.S. mail.
mnli hypothesis: There is a 7.5% surcharge on all U.S. mail. premise: The cost coverage for U.S. outbound mail, without considering the 7.5 percent surcharge, would be reduced from 144.