Consider the following time series data, which provides information about the percent change per year in Freda's retirement account: Year % Change WMA(3) EWMA(2 = 0.7) 2015 +7 2016 +2 B 2017 -5 A 2018 1 2019 6 The value of B should be: O A) 3.5 O B) 2.1 O C) 7 O D) - 2.45 MA300 Exam 2-Take Home O E) 4.19