Consider the following time series data (Figure 5), which provides information about the percent change per year in Freda's retirement account: 2 Year Change WMA(3) SMA(3) 2015 2 2016 2017 2018 2019 (Figure 5) If we use the weights of 4/9 for the most recent value, 1/3 for the second most recent value, and 2/9 for the oldest value, we find that the value of A would be: 5 1 6 B O 2.55 2.78 4.89 4.45