How to Audit Your Service Bureau

5. Match the RFM counts to last year’s to ensure they’re in the same ballpark. If, for example, your new-to-file count increased by 20,000 vs. last year, and your housefile response rates are about the same as last year, expect your zero-to-12-month file to increase by roughly the same 20,000 records. Note: If you have a very high unknown rate, it’ll be tougher to estimate your new-to-file count. So you may have to rely more on logic and estimates to verify counts.