A 62-year old man is considering taking a adult education course in spreadsheets. He believes it will increase his annual income by $500 until he retires in three years. If the cost of the course is...

A 62-year old man is considering taking a adult education course in spreadsheets. He believes it will increase his annual income by $500 until he retires in three years. If the cost of the course is $1,200 and the discount rate is 5%, should he take the course?