Consider the costello music company scenario presented in the

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     Consider the Costello Music Company scenario presented in   the (notes below)and the following quarterly sales data.       Year   Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total Yearly Sales   1   4 2 1 5 12   2   6 4 4 14 28   3   10 3 5 16 34   4   12 9 7 22 50   5   18 10 13 35 76       a.   Compute the seasonal indexes for the four quarters.   b.   What does Costello Music experience the largest seasonal effect? Does this   result appear to be reasonable? Explain.