Frank and Lynn are co-workers getting paid the same salary. They both decide to quit their jobs and start going to school on the same day. Frank gets a degree after just 18 months and spends $6,500 dollars on his education. Lynn only spends $3,500, but it takes her 2 years to get her degree. Assuming that they each will make $6,000 more per year after graduating, which of the following is true?

Frank finishes in 18 months and needs $6,500 ÷ $6,000 = 13/12 of a year, or 13 months, of higher pay to recover his education cost. That puts his recovery date 31 months after they start school. Lynn finishes in 24 months and needs $3,500 ÷ $6,000 = 7/12 of a year, or 7 months, of higher pay, also putting her recovery date 31 months after they start. So Frank and Lynn will recover their investments on the same date.

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