Parents of a student are saving money for his study cost of $40,000 to be needed at the end of 5 years from now. The parents have decided to deposit $6,000 at the end of each year into a bank account that pays interest at 16% compounding quarterly. If there is no withdrawal, find
b)
first lets calculate effective annual interest rate (EAR)
EAR = (1 + r/n)^n - 1
where r = yearly interest = 16%
n = compounding periods (here it is given quarterly compounding so n = 4)
EAR = (1 + 0.16/4)^4 - 1
= 16.986%
a)
amount after 5 years can be found using the future value of annuiyt formula
future value of annuity = PMT[ (1+r)^n - 1 / r ]
where PMT = yearly deposits = $6000
n = number of years = 5
r = EAR = 16.986%
amount at the end of 5 years( future value) = 6000 [ (1+ 0.16986)^5 - 1 / 0.16986 ]
= $42,074.65(rounded to nearest cent)
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