You have (see attached table) quarterly observations on consumers' expenditure in Canada over the period 2019 to 2021, quarter 4 (12 observations). You answers should include all your calculations. Numbers only count for ha marks. In what follows, you will use the multiplicative classical decomposition. 1. Use a 2x4-MA smoother (like the one studied in class) to obtain an estimate of the trend-cycle in your data and compute the detrended value of Yr. 2. Obtain the estimated seasonal component of your data using the detrended data you obtained in the previous 3. Compute the seasonally adjusted data using Y, and the estimated seasonal component from the previous step 2019 Q1 5120 2019 Q2 5409 2019 Q3 5511 2019 04 5789 2020 Q1 5224 2020 Q2 5628 2020 Q3 5690 2020 Q4 6029 2021 Q1 5463 2021 Q2 5863 2021 Q3 5916 2021 Q4 6221