Daily Sales Price Corrections on Excel

Each day I download our sales report as an Excel spreadsheet, and every day a portion of the product prices arrive with small inconsistencies—rounding errors, outdated promos that should have expired, or typos introduced during data entry... (Budget: $30 - $250 USD, Jobs: Article Writing, Copy Editing, Copywriting, Data Management, Editing, Excel Macros, Excel VBA, Microsoft, PDF, Word)