Excel Customer Data Deduping

I have an Excel workbook filled with customer information that now contains multiple duplicates. I need every record checked against three key fields—Email addresses, Phone numbers, and Names—so that only the most recent occurrence of each customer remains in the final sheet... (Budget: $250 - $750 USD, Jobs: Data Analysis, Data Cleansing, Data Entry, Data Management, Data Processing, Excel, Excel Macros, Visual Basic)