Excel Formula Repair

I need help fixing Excel spreadsheets, primarily broken formulas. The corrected formulas should mainly look up and combine information from other sheets.

Key Tasks:
- Fix broken formulas or incorrect calculations
- Look up and combine information from other sheets
- Work with different layouts requiring custom matching rules

Ideal Skills:
- Proficiency in Excel, especially with complex formulas
- Experience in data integration from multiple sheets
- Ability to create custom matching rules for different layouts
- Attention to detail and problem-solving skills