1. Hudson Paper Company is a small family business that purchases paper in rolls of large factories. Then it is cut and printed on a variety of products, such as bags and wrapping paper, according to the customer's order. The seasonality of sales has made forecasting is a particularly difficult problem, especially because of the exact timing of seasonal peaks. The company's management wants to develop an average model mobile devices that help with sales forecasting. The model should be the one that minimizes the error forecast. Below is sales information for the last twelve months. We Sales We Sales January 7000 July 11000 February 8000 August 11000 Marzo 8000 September 15000 April 8000 October 17000 Mayo 9000 November 19000 June 11000 December 13000 Determine the following moving average models to forecast in period 13 (consider your answer within a 90% confidence interval.)