You want to buy a home but not take out a mortgage. You want to buy it outright when you are able to do so. You estimate that the home you will want to buy will cost $500,000. You have $20,000 today...

You want to buy a home but not take out a mortgage. You want to buy it outright when you are able to do so. You estimate that the home you will want to buy will cost $500,000. You have $20,000 today to set aside for it. The bank will pay you 2.8% annual interest. How long will it be before you can buy your home?