The following table shows actual demand values for $5$ periods. In addition, an assumed forecast value for period $1$ is give Complete the table in order to create a simple exponential smoothing forecast for periods $2$ to $6.$ Use $=0\mathrm{.}1.$

$\backslash$table$[[$Period$,$Actual,Forecast$],[1,148,140],[2,239,],[3,238,],[4,285,],[5,204,],[6,,]]$

After analyzing the actual demand data in more detail, you notice that there is trend. Which of the following forecasting techniques would be least appropriate for this situation?