Q. Ciao Bella Gelato Company is a manufacturer of gourmet ice cream, sorbet and other frozen desserts. People drive long distances to buy their ice cream and other assorted deserts. A new manager at one of the plants wants to develop a forecasting model so that she can plan the ice cream production operation and decide the number of employees that would be needed. The ice cream sales record for the past 12 quarters is provided in a table below. To assist her with her plans, develop the following forecasting models.