Hudson Marine is an authorized dealer for C & D marine radios for the past several years. The following table shows the quarterly sales information for the past seven years for Hudson Marine. Year Q1 Q2 Q3 Q4 Total 1 6 15 10 4 35 2 10 18 15 7 50 3 14 26 23 12 75 4 19 28 25 18 90 5 22 34 28 21 105 6 24 36 30 20 110 7 28 40 35 27 130 a) Using as three- period moving average, what is the forecast for the next quarter? b) Using a three- period weighted moving average with weights of 0.1 for the oldest data, 0.3 for the middle data, and 0.6 for the closest data, what is the forecast for the next quarter? c) Using MSE which of the two forecasts should be used for the next quarters forecast