Restaurant Sales Data Analysis Program

I'm looking for an expert to create a program that can analyze my restaurant's sales data. The data is currently in Excel spreadsheets.

Key Aspects of the Program:
- Analyze daily sales figures
- Break down sales by menu item
- Identify sales trends over time

Ideal Skills:
- Proficiency in data analysis
- Experience with Excel and data programming
- Ability to identify and interpret sales trends

Please note, the program will need to be able to handle data from multiple spreadsheets and potentially large volumes of data.