Power BI P&L Report Development

I need a Power BI report that integrates data from Excel files, specifically focusing on profit and loss statements. The P&L statements should be broken down on a monthly basis.

Requirements:
- Create a data model and establish relationships in Power BI
- Integrate Excel files as data sources
- Analyze and visualize profit and loss statements
- Breakdown of data should be on a monthly basis

Ideal Skills and Experience:
- Proficiency in Power BI
- Experience with Excel data integration
- Strong analytical skills with financial data
- Ability to create clear and informative reports

Please provide samples of similar work.