MS Excel Expert for Automated Invoicing

I need a skilled MS Excel user to help me create a single type of invoice that automatically calculates totals and taxes, and includes a section for customer details.

Key Requirements:
- Single, automated invoice creation
- Inbuilt total and tax calculations
- Section for customer details

Ideal Skills and Experience:
- Proficiency in MS Excel, particularly in creating automated functions
- Experience with invoice design and customization in Excel
- Attention to detail for customer data section

Please bid if you're confident in your Excel skills and can deliver an efficient, user-friendly invoice template.