Simple Data Visualization Calculator Web App -- 2

I'm looking for a web app to visualize financial data using graphs and charts. The app can be built using HTML/JS or even embedded Excel. (see attached)
Detailed App Calculation Formula with Approximate Values (Excel to Web App)
This is a low budget project
No placeholder bids- true bids and Freelancers with no reviews need not apply
Key Requirements:
- Visualize financial data.
- Use graphs and charts for display.
- Build with HTML/JS or embedded Excel.

Ideal Skills:
- Experience in data visualization.
- Proficiency in HTML/JS.
- Strong understanding of financial data.

Description:
We need a simple but powerful real estate investment calculator for our website. The goal is to help Toronto homeowners and investors compare different property upgrade options (Condo, Single, Garden Suite, Fourplex, Sixplex) and see:
✅ Total Project Cost (with prefab vs custom build costs) ✅ Rental Income Potential ✅ Minimum Down Payment (with CMHC vs without) ✅ Time to Build (Prefab vs Custom) ✅ Breakeven and Cash Flow Estimate
Key Values & Calculations are Provided:
ADU( Accessory Dwelling Unit) cost per sq ft: Prefab $250–$300, Custom $375–$450
Down payments from $80K (CMHC) to $480K (Sixplex)
Monthly rent from $0 to $12,000+
What We Need:
Clean web app (HTML/JS or embedded Excel acceptable)
Responsive design, mobile-friendly
Auto-calculate results and display recommendation

Final result drives leads to book consultations.