An analyst must decide between two dlfferent forecasting techniques for weekly sales of roller blades: a linear trend equation and the nalve approach. The linear trend equation is Ft=1221.9 t, and it was developed using data from perlods 1 through 10 . Based on data for perlods 11 through 20 as shown in the table, which of these two methods has the greater accuracy if MAD and MSE are used? (Round your intermedlate calculations and final answers to 2 declmal places.) Click here for the Excel Data File \begin{tabular}{|c|c|c|} \hline & A & B \\ \cline { 2 - 3 } & t & UnitsSold \\ \hline 1 & t & 143 \\ \hline 2 & 11 & 149 \\ \hline 3 & 12 & 152 \\ \hline 4 & 13 & 155 \\ \hline 5 & 14 & 145 \\ \hline 6 & 15 & 155 \\ \hline 7 & 16 & 152 \\ \hline 8 & 17 & 154 \\ \hline 9 & 18 & 159 \\ \hline 10 & 19 & 159 \\ \hline 11 & 20 & 162 \\ \hline \end{tabular}