Susan has just had her 40th birthday. She has two children. One will go to college 8 years from now and require four year beginning-of-year payments for college expenses, $13,000, $13,500, $14,500, and $15,500. The other will go to college 14 years from now and require four year beginning-of-year payments for college expenses, $16,000, $17,500, $19,000, and $20,500. In addition, Susan plans to retire in 20 years. Susan wants to be able to withdraw $75,000 per year (at the end of each year) from an account for 30 years. The first withdraw occurs on her 61st birthday. What equal, annual, end of-year amount must Susan save for each of the next 20 years to meet these goals if all savings earn a 14% annual rate of return? PLEASE SHOW WORK USING FINANCIAL CALCULATOR
Amount required to be withdrawn every year after retirement =
75,000
Rate = 14%
Number of Years = 30
The Value of Retirement fund Required at retirement =
75000*(1-(1+r)-n)/r =
75000*(1-(1+14%)-30)/14% = 525,199.81
The PV of retirement fund = 525,199.81/(1+14%)20 =
38,214.443
PV of the college fees of 2 children = 13000/(1+14%)8 +
13500/(1+14%)9 + 14500/(1+14%)10 +
15500/(1+14%)11 +
16000/(1+14%)14 +
17000/(1+14%)15
+19000/(1+14%)16 + 20500/(1+14%)17 =
25,769.315
The PV of all her costs = 38,214.44 + 25,769.315 =
63,983.757
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The equal annuity savings for 20 years =
63,983.757*(1-(1+r)-n)/r
= 63,983.757*(1-(1+14%)-20)/14% =
9,660.65
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