Solution for Problem 9.2.1

You decide to save for your child's college education by depositing $200 at the end of each month into a savings account paying 6% interest compounded monthly.  How much money will be in the account after 18 years?

Solve

       Step

i = 0.06 ÷ 12 = 0.005 

k = 12, r = 0.06, Monthly means 12 times a year

P is payment = 200, n = 18 years

Find the Future Value

You would have $77,470.64 after 18 years. (before taxes)
Enter 200 ×( (1 + 0.06 ÷ 12 )  xy ( 12 × 18 ) - 1)   ÷ .005  [enter or =] in your calculator
Hint: don't round until you are completely finished with your calculations.