Problem:
Joe is tax accountant. He receives $100 per hour doing tax returns. He can type 10,000 characters per hour in spreadsheets. He can appoint an assistant who types 2,500 characters per hour in spreadsheets. Which of following statements is true?
1. None of these answers are true.
2. Joe should appoint the assistant as long as he pays the assistant less than $25 per hour.
3. Joe should appoint the assistant as long as he pays the assistant less than $100 per hour.
4. Joe should not appoint an assistant because the assistant can’t type as fast as he can.