Given a text, write a compressed version of it in a single sentence.

The Postal Service's productive hourly wage of more than $25 may make it likely that cream skimmers could obtain some cost advantage on that basis alone. We do not know how reducing the frequency of delivery would affect demand for alternative delivery.
The Postal Service's hourly wage of than $25+ may make it likely cream skimmers could obtain cost advantage. How can reducing frequency of delivery affect demand for alternative delivery.