A company has the following demand (at) for the previous nine weeks. Use the information to develop a 4-period weighted moving average using the weights 0.5,0.25,0.2, and 0.05 with the largest weight applied to the most current data. Be sure to compute a forecast for period 10. Click the icon to view the demand for the previous nine weeks. Fill-in the table below for a 4-period weighted moving average (ontor your rosponses rounded to one decimal place). The forecast for period 10 is (Enter your response rounded to one decimal place.) \begin{tabular}{cc} \hline Period & at \\ \hline 1 & 413 \\ 2 & 445 \\ 3 & 344 \\ 4 & 465 \\ 5 & 304 \\ 6 & 380 \\ 7 & 433 \\ 8 & 383 \\ 9 & 443 \\ \hline \end{tabular}