Power BI Sales Trends Dashboard

I have a set of sales data stored in several Excel/CSV files and I need it transformed into an interactive Power BI dashboard that clearly highlights sales trends. Please connect directly to the spreadsheets (no databases or APIs involved), model the data as needed, and build a report that lets me explore performance over time as well as by product, region, or any other logical dimension you uncover.

The key visualisations I want are:
• Line charts to show month-over-month movement
• Bar charts for quick category comparisons
• Pie charts where a proportional view makes sense

Feel free to add slicers and drill-throughs so I can filter by date ranges, territories, or product lines without refreshing the data source every time. Clean formatting, consistent colour usage, and easy-to-read titles are important because the dashboard will be shared with non-technical stakeholders.

Deliverables:
1. A fully-functional .pbix file connected to my Excel/CSV sources
2. Clear documentation (or a brief Loom video) explaining data transformations, calculated measures, and any custom visuals used
3. Simple steps I can follow to refresh the report when new CSVs are added

I’ll supply the raw files as soon as we start.