Custom Sales Tracking Software

I'm seeking a developer to create a custom desktop application on Windows for tracking doctor-wise sales in the pharmaceutical sector.

Key features required:
- Dashboard to input and view sales data per doctor
- Data filtering options: by month, product, region, or sales representative
- Export reports in Excel or PDF formats
- User access levels: Admin and Manager
- Visualizations needed: Charts, graphs, tables, and maps

Ideal skills and experience:
- Proficiency in Windows desktop application development
- Experience in creating data visualization dashboards
- Strong background in database management and report generation

Please provide:
- Confirmation of your ability to develop this solution
- Estimated time and cost
- Any relevant demos or similar projects completed