Sales Dashboard Development in Excel & PowerBI -- 2

I'm seeking an experienced dashboard developer to create a sales performance tracking dashboard using Excel and PowerBI. The dashboard will help me visualize and analyze key sales metrics.

Key metrics to track:
- Total sales
- Conversion rate
- Customer acquisition cost

Data source:
- Excel spreadsheets

Ideal Skills and Experience:
- Proficiency in Excel and PowerBI
- Experience in sales analytics
- Ability to integrate data from Excel into PowerBI
- Strong data visualization skills
- Attention to detail and accuracy

Please provide samples of similar work done. Looking forward to your proposals!