Andrew and Emma Garfield invested $7,900 in a savings account paying 4% annual interest when their daughter, Angela, was born. They also deposited $1,200 on each of her birthdays until she was 17 (including her 17th birthday).
How much was in the savings account on her 18th birthday (after the last deposit)? (Round answer to 2 decimal places, e.g. 25.25.)

Respuesta :

Answer:

45,578.45

Explanation:

PV = $ -7,900 (The iniiial investment made by Andrew and Emma at year 0)

i/r = 4% (annual interest)

PMT = $ -1,200 (Annual deposit on Angela's birthday)

n = 17

FV (Value of the savings account at Angela's 17th birthday)

Using financial calculator, we have FV = $43,825

Value of the savings at Angela's 18th birthday = $43,825 x 1.04 = 45,578.45

Amount saved for 18th birthday is $43,825.42 (Approx.)

Given that;

Amount invested = $7,900

Rate = 4%

Annual deposit = $1,200

Number of year = 17

Find:

Amount saved for 18th birthday

Computation:

Future value of initial deposit = Initial deposit[1+r]ⁿ

Future value of initial deposit = 7900[1+0.04]¹⁷

Future value of initial deposit = $15,388.41

Future value of annual deposit = Annual deposit[{(1+r)ⁿ - 1}/r]

Future value of annual deposit = 1200[{(1+0.04)¹⁷ - 1}/0.04]

Future value of annual deposit = $28,437.01

Amount saved for 18th birthday = $15,388.41 + $28,437.01

Amount saved for 18th birthday = $43,825.42 (Approx.)

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