carear stats visulization

I need a visualization of sales data, specifically focusing on customer purchase history. The visualization should be in the form of bar charts.

Requirements:
- Create bar charts to represent sales data
- Focus on customer purchase history
- Ensure clarity and accuracy in visual representation

Ideal Skills and Experience:
- Proficiency in data visualization tools (e.g., Tableau, Power BI)
- Strong analytical skills
- Experience with sales and customer data
- Attention to detail and design

Please provide samples of previous work.