This bloke wanted to hire an accountant. He advertised, and selected three applicants for interview. He went through the interview with the first one, and finished with a question, "What is 2 plus 2?"

The applicant said "4" and the bloke said "We'll let you know."

He went through the interview with the second one, and finished with the question. "What is 2 plus 2?"

The applicant said "I think it's 4, but I'll get out my calculator and make certain...yes, it's 4." The bloke said "We'll let you know."

He went through the interview with the third one, and finished with the question, "What is 2 plus 2?"

The applicant said "How much do you want it to be?"

He got the job.