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Consider that you want to use a trend projection for forecasting the demand for the following seasonal data. The mod is 3. (20 points) 1) Determine the seasonal indices for 4 seasons and estimate the sesonal demands for t=2020 by using the following trend projection formula: F = 120 + 10t 2017 2018 2019 Fall 188 192 166 Winter 205 185 151 Spring Summer 204 188 163 269 214 262 2) Determine the seasonal indices for 4 seasons and estimate the sesonal demands for t=2020 by using the following trend projection formula: F; = 100 + 12 t 2017 2018 2019 Fall 161 185 148 Winter 162 199 159 Spring 146 229 185 Summer 214 206 172 3) Determine the seasonal indices for 4 seasons and estimate the sesonal demands for t=2020 by using the following trend projection formula: F; = 150 + 8 t 2017 2018 2019 Fall 100 111 114 Winter 105 90 134 Spring 118 127 124 Summer 148 133 120