Your role is to provide assistance to Teresa and help her prepare a forecast for the next four quarters (quarters 3 and 4 of 2015 and quarters 1 and 2 of 2016). As a part of the analysis, your report should identify an appropriate forecasting technique, develop a forecasting model, use the forecasting model to generate forecasts for the historical quarters as well as for the planning quarters, and provide an assessment of the forecasting model’s accuracy.
Period Sales
1Q-2011…………………..571,216
2Q-2011…………………..446,781
3Q-2011…………………..462,418
4Q-2011…………………..532,339
1Q-2012…………………..750,308
2Q-2012…………………..569,922
3Q-2012…………………..562,211
4Q-2012…………………..546,235
1Q-2013…………………..753,131
2Q-2013…………………..567,191
3Q-2013…………………..573,539
4Q-2013…………………..558,543
1Q-2014…………………..805,850
2Q-2014…………………..643,072
3Q-2014…………………..660,513
4Q-2014…………………..640,426
1Q-2015…………………..917,147
2Q-2015…………………..717,715