Consider the Costello Music Company scenario presented in the (notes below)and the following quarterly sales data ...

     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.