4. Four years ago, you invested $10,000 in stock ABC. For the four years you have invested in this stock, you did not adjust your position. The following table represents the actual annual returns of the stock over the past four years Years Actual Annual Return 2014 2015 2016 2017 -10% 25% -20% -10% (a) Compute both the arithmetic average annual return and the geometric average annual return of ABC stock over the past four years (b) How much is your ABC stock holding worth at the end of 2017? (c) Which average annual return (arithmetic or geometric) better reflects your actual performance over the past four years