22. La Villa is a ski resort in the Italian Alps. Many guests visit the town; however, most of them come in the winter season because of the phenomenal skiing. A group of hotels has analyzed their demand for the last three years. Fill in the table below. Using a smoothing parameter of 0.25, forecast the demands for the four quarters in 2021 (Please provide seasonality indices, de-seasonalized forecast, and re-seasonalized forecast). Year Quarter Demand 1 22 100 2 14,900 2018 3 13,700 4 19,000 1 20,100 2 17,000 2019 3 16,500 4 18,700 1 23,400 2 12,100 2020 3 13,200 4 19,700