Based on Question 8, Problem 4.3 from the Practice Problems The following table shows the actual demand observed over the last 4 years: Year Demand 1 8 2 10 3 4 4 7 Question 19 (0.75 points) Saved a1) Using exponential smoothing with alpha LaTeX: \alpha= 0.4 and a forecast for Year 1 of 7, provide the forecasts for: Year 2 = ? (round your responses to one decimal place). Question 19 options: 5.4 7.0 7.4 8.7 9.6 Question 20 (0.75 points) Saved a2) Using exponential smoothing with alpha LaTeX: \alpha= 0.4 and a forecast for Year 1 of 7, provide the forecasts for: Year 3 = ? (round your responses to one decimal place). Question 20 options: 5.4 6.8 7.3 8.0 8.4 Question 21 (0.75 points) Saved a3) Using exponential smoothing with alpha LaTeX: \alpha= 0.4 and a forecast for Year 1 of 7, provide the forecasts for: Year 4 = ? (round your responses to one decimal place). Question 21 options: 5.7 6.3 6.5 6.7 8.6 Question 22 (0.75 points) a4) Using exponential smoothing with alpha LaTeX: \alpha= 0.4 and a forecast for Year 1 of 7, provide the forecasts for: Year 5 = ? (round your responses