The following data describes the marketing performance of a regional beverages producer (Sales by Quarter ($100,000)) : Year I II III IV 2011 89 74 38 25 2012 91 78 44 23 2013 73 81 41 23 The adjusted seasonal indices for each of the four quarters are calculated as follows: I II III IV 1 .4881 1.3705 0.7235 0.4175 Deseasonalize the data and fit the linear trend equation to it and then forecast the values for all quarters of 2015