Bad Debt Data Analysis for Tax

I need a comprehensive analysis of bank bad debt data, specifically focused on customer transaction history and loan repayment records. This is for indirect tax purposes.

Key Requirements:
- Evaluate bad debt using customer transaction history and loan repayment records.
- Reallocate transactional data into correct constituent components.

Ideal Skills and Experience:
- Expertise in transactional analysis.
- Experience with financial data and indirect tax regulations.
- Proficiency in data reallocation.

Please provide a detailed approach and methodology in your bids.