Using the data given in Exhibit $10($in addition, you can use any other pieces of information provided in the case as you see fit$),$ propose a forecasting method $($i$.$e$.,$ make a recommendation for how many units of each style Wally Obermeyer should order during the initial phase of production$).$ First, describe your proposed forecasting method, then show sample calculations to illustrate your method, and lastly, justify your forecasting method $($i$.$e$.,$ How your method is better than the method presented in the case $($Exhibit $10)?)$