Fix Excel Assignment Errors

I’m stuck on an assignment because the accompanying Excel workbook isn’t behaving the way it should. Rather than guessing where the problem lies, I’d like an experienced Excel specialist to open the file, locate every issue, and return it in a fully working state so I can finish the task with confidence.

What you’ll hand back to me:
• A corrected Excel file with all errors resolved and functionality restored
• A short, plain-language note outlining what you changed and why, so I can learn from it and explain the fixes if asked

Please keep original formatting and data intact wherever possible and turn this around quickly—my deadline is coming up. If there’s any missing information you need from me before you start, just let me know and I’ll provide it straight away.