Question 1203860
calculator used is at <a href = "https://arachnoid.com/finance/" target = "_blank">https://arachnoid.com/finance/</a>


monthly compounding is assumed.
presen value = 0
future value = 500,000
number of time periods = 20 years * 12 = 240 months.
interest rate per time period = 4% per year / 12 = .333333333....% per month.
payments are made at the end of each month.
calculator says that you need to invest 1363.23 at the end of each month so that you can have 500,000 at the end of the investment period.
here are the results from using the calculator.


<img src = "http://theo.x10hosting.com/2023/092403.jpg">