The Ratios of "Actuals to Moving Averages" (Seasonal Indexes)for a Time

Multiple Choice

The ratios of "actuals to moving averages" (seasonal indexes) for a time series are presented in the following table as percentages. $$\begin{array} { | r | r | r | r | r | r | } \hline & 2008 & 2009 & 2010 & 2011 & 2012 \\\hline Q _ { 1 } & & 112.22 & 110.78 & 111.22 & 111.87 \\\hline Q _ { 2 } & & 100.65 & 108.68 & 103.78 & 101.95 \\\hline Q _ { 3 } & 97.76 & 99.08 & 97.68 & 97.61 & \\\hline Q _ { 4 } & 86.61 & 95.00 & 94.64 & 92.92 & \\\hline\end{array}$$ The final (completely adjusted) estimate of the seasonal index for Q₄ is __________.

A) 86.61
B) 90.90
C) 93.78
D) 92.29
E) 93.00