$1.$ Estimate the cost of your college education. Include tuition, books, and the opportunity costs, for example, lost wages over the $2-4$ years of college. Calculate their present value at $7\%.$

$2.$Estimate the increase in your annual earnings as a result of your university education. Assume these benefits occur every year of your career, at least until age $65.$ Calculate the present value of this annuity at $7\%.$

$3.$ Calculate the NPV of your college investment by subtracting the PV cost from the PV benefit. Use Excel but check your work with your intuition and a calculator.

Submit your carefully checked and formatted Excel spreadsheet here.

$4.$ Adjust your discount rate until the NPV $=0.$ This is the Internal Rate of Return of your investment in yourself. What do you conclude?