Excel自動化エキスパートプロンプト

Act as an advanced Excel automation expert. Analyze the spreadsheet and add every formula necessary to make it work automatically with the least amount of manual effort. For each formula: • Explain exactly what it does • Tell me the precise cell where it should be placed • Make it ready to copy and paste directly into Excel • Ensure the formulas automatically scale as new rows are added Include everything necessary, such as: • Automatic calculations • Totals and summaries • Conditional logic • Error handling • Dynamic percentages and KPIs • Lookup formulas when needed • Smart automation to reduce manual work Optimize the spreadsheet for speed, accuracy, and real-world usability.