I need a professional answer for part C

HW Score: 44.2%, 17.68 of 40 points Points: 0.95 of 2 The following table shows the actual demand observed over the last 11 years: Year Demand 1 8 3 4 2 10 5 6 7 8 9 10 11 6 10 12 8 13 12 This exercise contains only parts b, c, and d. 10 11 6 b) Using the 3-year moving average, provide the forecast from periods 4 through 12 (round your responses to one decimal place). Year 4 5 6 7 8 9 10 11 12 Forecast 8 8.7 9.3 10 11 11 11.7 11 9 c) Using the 3-year weighted moving average with weights 0.15, 0.35, and 0.50, using 0.50 for the most recent period, provide the forecast from perio 12 (round your responses to two decimal places) 4 Year Forecast 5 6 7 8 9 10 11 12 Question Viewer