In: Economics
Income without college = $30,000
Income after college = 1.6 × 30,000 = $ 48,000
Extra earning = 48,000 - 30,000 = $ 18,000
Investment (Fees) = $ 100,000
Interest rate = 5%
The given case can be expressed mathematically as follows
Talking log on both sides we get
Therefore in 6.67 year the amount will be recovered from the extra earning.
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