After a life time of working, you have accumulated $720,000 in your saving and are now calling it quit. You are now 65 years old. People on your family side tend to pass away at 90 years old. So you are now doing some calculations: your saving is earning an interest rate of 5.2%. a) What would be your monthly withdrawal if you plan to use up this saving in your remaining years? b) Based on your current expenses, you would need $50,000 a year to live. Will this saving be enough