Professional Google Sheet for Expense Tracking

I need a comprehensive Google Sheet to track project expenses across six stages: Preliminary, Base, Frame, Lock Up, Fixing, and Final. Each stage should include:

- 10-30 rows
- 4 columns:
- Description
- Cost
- GST (Yes/No)
- GST Calculation (1/11 x Cost)

Requirements:
- Automatic updates for total cost and GST
- Budget tracking against Project Total Cost
- Visual representation with a pie chart

Ideal Skills and Experience:
- Proficient in Google Sheets
- Experience in creating automated calculations and charts
- Attention to detail and good organizational skills

Please ensure the sheet is user-friendly and professional.