Q1. A sales manager wants to forecast monthly sales of the machines the company makes uaing the following monthly sales data. (To receive full credit, please write the formulae for all the forecasting techniques, and please show the calculations \& the computational steps for the forecasts). 1. Using the information in Tabl 1. Forecast the monthly sales of the machine for month 9 , using the three-month moving-avenage method. ( 3 points) Ans