Excel Automated Payroll System

I'm looking for an Excel-based payroll system that automates the calculation of employee salaries.

The system should include:
- Salary Components: Basic, HRA, DA
- Overtime calculations based on hours worked and rates
- Auto-calculation of gross salary
- Deductions: PF, tax, other deductions
- Net salary computation
- Employee database with salary history

Optional Features:
- Payslip generator
- Sheet protection

It should be formatted as a standard Excel table.

Ideal skills and experience:
- Proficiency in Excel
- Experience in payroll calculations
- Attention to detail and accuracy

Looking forward to your bids!