Of the various types of mortgages discussed on the following two websites, http://www.mortgagecalculator.org/helpful-advice/types-of-mortgages.php and https://www.zillow.com/home-buying-guide/types-of-mortgagesLinks to an external site., which one do you think would be the riskiest for borrowers in a real estate acquisition, and why? Which one do you think would be the least risky for such borrowers, and why