Jack and Jill have just had their first child. If college is expected to cost $150,000 per year in 18 years, how much should the couple begin depositing annually at the end of the next 18 years to accumulate enough funds to pay 1 year of tuition 18 years from now? Assume that they can earn a 6% annual rate of return on their investment.
We can use future value of ordinary value formula to determine | |||||
annual deposit as follows. | |||||
Future Value of an Ordinary Annuity | |||||
= C*[(1+i)^n-1]/i | |||||
Where, | |||||
C= Cash Flow per period | |||||
i = interest rate per period | |||||
n=number of period | |||||
150000= C[ (1+0.06)^18 -1] /0.06 | |||||
150000= C[ (1.06)^18 -1] /0.06 | |||||
150000= C[ (2.8543 -1] /0.06] | |||||
C =4853.48 | |||||
Annually deposit = $4853.48 | |||||
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