An analyst must decide between two different forecasting techniques for weekly sales of roller blades. Based on the following data, answer the below questions. time Units sold 1 147 2 148 3 151 4 145 5 155 6 152 7 155 8 157 9 160 10 165 What's the forecast for period 11 using weighted moving average with weights assigned as follows: 0.6 assigned to the most recent period and 0.1 to the previous ones after it? 161.4 130.7 115 236