Suppose that $15$ years ago you bought a home for $$500,000,$ paying $20\%$ as a down payment, and financing the rest at $5\%$ interest for $30$ years. How much money did you pay as your down payment? How much interest have you paid so far $($over the last $15$ years$)?$

Interest paid over last $15$ years:

How much equity do you have in your home $($equity is value minus remaining debt$)?$

Equity Remaining: