- check the BIR report for the discrepancies of some fields
- as per checking, there is a payment method that needed to include in the extraction of data in the database and some fields is not tally because other fields like the total sale is dependent from other payment methods
- Modify the script for each payment method total extraction for adding the needed operation type group and payment method
- check the output again and compare into the should be data from finance and the output is now tally with the should be
- apply the script into the report and test the report again
- check the report and as per checking data is a tally with the should be data from finance.