I am struggling with receiving the correct answers. Not sure what I am doing wrong. Can you help please?

10 Coca-Cola Revenues ($ millions ), 2005-2010 Quarter 2005 2006 2007 2008 2009 2010 Otr1 5, 206 5,131 6,090 7,410 7, 180 7,516 Qtr2 6,310 6,480 7,720 9,060 8,232 8,665 2 Otr3 6,037 6,422 7,677 8, 314 8,040 8,417 points Qtr4 5,551 5,920 7,318 7,100 7,498 10,485 [ Click here for the Excel Data File eBook (a-1) Use MegaStat or Minitab to deseasonalize Coca-Cola's quarterly data. (Round your answers to 3 decimal places.) References 2005 2006 2007 2008 200 2010 mean (a-2) State the adjusted four quarterly indexes. (Round your answers to 3 decimal places.) Q2 Q3 Q4 (a-3) What is the trend model for the deseasonalized time series? (Round your answers to 2 decimal places.) (b) State the model found when performing a regression using seasonal binaries. (A negative value should be indicated by a minus sign. Round your answers to 4 decimal places.) Q2 + 1 Q3 (c) Use the regression equation to make a prediction for each quarter in 2011. (Enter your answers in millions rounded to 3 decimal places.) Quarter Predicted Q1 Q2 Q3 04