Savings-Mart (a chain of discount department stores) sells patio and lawn furniture. Sales are seasonal, with higher sales during the spring and summer quarters and lower sales during the fall and winter quarters. The company developed the following quarterly sales forecasting model: Y , = 9.00 + 1.100t - 2.75Dit + 0.25D2: + 3.5D3: where Y , = predicted sales (in millions of dollars) in quarter t 9.00 = quarterly sales (in millions of dollars) when t = 0 t = time period (quarter) where the fourth quarter of 2012 = 0, first quarter of 2013 = 1, second quari Dit = 1 for first-quarter observations; 0 otherwise Dat = 1 for second-quarter observations; 0 otherwise D31 = 1 for third-quarter observations; 0 otherwise Forecast Savings-Mart's sales of patio and lawn furniture for each quarter of 2020. Sales Forecast Quarter (Millions of dollars) 2020 First Quarter 2020 Second Quarter 2020 Third Quarter 2020 Fourth Quarter