Solve clearly

Use the deseasonalized time series to identify the trend. (Let t = 1 denote the time series value in quarter 1 of year 1; ( = 2 denote the time series value in quarter 2 of year 1: .. . and t = 20 denote the time series value in quarter 4 of year 5. Round your numerical values to two decimal places.) (b) Use the results of part (a) to develop a quarterly forecast for next year based on trend. (Round your answers to two decimal places.) forecast for quarter 1 forecast for quarter 2 forecast for quarter 3 forecast for quarter 4 (c) Use the adjusted seasonal indexes given in part (a) to adjust the forecasts developed in part (b) to account for the effect of season, (Round your answers to one decimal place.) forecast for quarter 1 forecast for quarter 2 forecast for quarter ] forecast for quarter 4A company that pri musical Instruments has been in business for five years. During that time, tides of planos increased from 1 1 its in the first year te I units in 's most recent you The Poor super wants to develop a foreast of puno sales for the corning vous the quarterly sales data follow Your Quarter 1 |Quarter 1 Quarter ] Quarter 4 Touil Yearlya) Deseasonalize the data. (Round your answers to four decimal places.) Adjusted Year Quarter Sales Seasonal Deseasonalized Sales Index 1 5 1.2940 2 2 0.6097 1 0.4909 A 5 1.6054 6 1.2940 N 4 0.6097 2 4 0.4909 4 14 1.6054 11 1.2940 2 3 0.6097 3 3 5 0.4909 16 1.6054 1 12 1.2940 21 9 0.6097 4 3 7 0.4909 22 1.6054 1 18 1.2940 2 10 0.6097 5 13 0.4909 4 35 1.6054