Detailed Instructions: Given a text, write a compressed version of it in a single sentence.
Problem:The 1989 city delivery carrier data used in this paper are based on information from several Postal Service data systems. Total city delivery carrier work hoursa come from payroll hours accounting systems data made available in the most recent rate proceeding.
Solution:
1989 city delivery carrier data used here is based on info from several Postal Service data systems. Total city delivery carrier work hours come from recent payroll hours accounting systems data.