Question 4 (a) Round off your answer to two (2) decimal points for the calculation. Any rates or returns expressed in percentage is preferred. An investor invested $2,000 in a mutual fund's shares. The fund had the following total returns over a 4-year period. Calculate the value of this investment at the end of the 4-year period, the arithmetic mean annual return, and the geometric mean annual return. Write the corresponding Excel formula for each calculation 1 2 3 A Actual Return 10.40% 6.80% 4.20% -9.30% 4 5 6 7 Investment $2,000 8 (6 marks)