Question: pleeaaasseee solve this now PART TWO (40 Points) _21 Sales of Cool-Man air conditioners have grown steadily during the past 5 years: DEMAND ADV SEPENT

pleeaaasseee solve this now

PART TWO (40 Points) _21 Sales of Cool-Man air conditioners have grown steadily during the past 5 years: DEMAND ADV SEPENT 2017 2018 2019 2020 2021 450 495 518 563 584 1200 1650 1710 1860 1960 Predict the demand of Year 2021 by: a. Using 3 moving average b. Using exponential smoothing with alpha = 0.30. The sales manager had predicted, b before the business started, that year l's sales would be 410 air conditioners. c. Using the relationship between the sales and advertainment spent Which of the above value is the best-predicated demand for Year 2021

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