2. Monthly Income after Retirement. You need to show all the necessary intermediate processes here for full points. (15 pts) Paragraph: Let's suppose that you invest/save $800 every month over the next 40 years. After 40 years, you are planning to retire and live on your savings. It's impossible to predict how long you are going to live, but you hope to find how much you can take out from your savings every month for the next 30 years after your retirement. Assume the average annual Rate of Return for your invetment/savings is 11%, which will be maintained going forward (based on S&P 500 including all the dividend incomes over the last 40 years). Now, find how much you can receive from your savings every month (monthly income) for the following 30 years after your retirement