National Summary of Domestic Trade Receivables Results Summary

The Credit Research Foundation conducts surveys by industry which detail relevant statistical information concerning domestic accounts receivable performance. Below is a summary of this information which would be detailed by industry segment in the full quarterly report.

Fourth Quarter 2011
Independent median calculations show:

	This Quarter	Last Quarter	Year Ago
Collection Effectiveness Index	84.40	85.00	84.60
Days Sales Outstanding	40.19	40.43	40.70
Best Possible DSO	31.10	31.90	30.80
Average Days Delinquent	6.30	5.80	6.40
Per Cent Current	83.51	85.71	83.61
Per Cent Over 91 Days Past Due	0.66	0.47	0.74