SOLUTION: Suppose you want to have $400,000 for retirement in 20 years. Your account earns 4% interest. a) How much would you need to deposit in the account each month? b) How mu

Algebra ->  Finance -> SOLUTION: Suppose you want to have $400,000 for retirement in 20 years. Your account earns 4% interest. a) How much would you need to deposit in the account each month? b) How mu      Log On


   



Question 1188625: Suppose you want to have $400,000 for retirement in 20 years. Your account earns 4% interest.
a) How much would you need to deposit in the account each month?



b) How much interest will you earn?

Answer by Solver92311(821) About Me  (Show Source):
You can put this solution on YOUR website!
Sunday, April 2, 2017
7:06 PM


It depends on whether you intend to make your first payment at the end of the first month (regular annuity) or today (annuity due).

For a regular annuity:



where is the periodic payment, is the future value, is the interest rate as a decimal fraction, is the number of payments per year, and is the number of years of the investment.

For an annuity due:




For this problem:





The amount of interest earned is:



You can do your own arithmetic

John

My calculator said it, I believe it, that settles it

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