Excel Cash Up Sheet Overhaul

I need an experienced Excel expert to amend my cash up sheet. The job involves:

Formula Changes:
- Updating existing calculations
- Adding new calculations

Formatting Changes:
- Making adjustments to font and size
- Modifying cell colors
- Changing borders and alignment

Ideal Skills and Experience:
- Proficiency in Excel, especially with formulas
- Strong attention to detail
- Experience with formatting in Excel spreadsheets

Please provide samples of previous work. Looking forward to your bids!