Problem E: The dataset in table {1] represents the quarterly net revenues {in million 15] of stock brokerage company lat operates in UK over the period of time between EDIEEDIE. III-- Answer the followug' Questions: 1. Find adjusted seasonal indices and comment on the results 2. Calculate the net revenues with seasonal effect and comment on the results. 3. Estimate trend IDLE model for deseasonalised net revenues that are calculated in {3}. Comment on the results. 4. Predict the estimated seasonalised {original} value for the net revenues for summer 2019. (assuming that winter Eld is the base period of time} and comment on the results