Very briefly describe the disadvantage of MSE and advantage of MAPE when they are compared to MAD

Answer Questions only. essay is not required. Three questions

1) Very briefly describe the disadvantage of MSE and advantage of MAPE when they are compared to MAD.
2) A manager is using the equation below to forecast the deseasonlized quarterly demand for a product: Yt = 6,000 80t where t = 0 at Q2 of last year. Quarter relatives are Q1 = .6, Q2 = .9, and Q3 = 1.3. (You need to show your work, rather than only a final answer.)

What is Q4? (2 points)
What are the seasonal forecasts for the last quarter of this year and the first quarter of next year? (6 points)

3) A manager is using the equation below to forecast the deseasonlized quarterly demand for a product: Yt = 6,000 80t where t = 0 at Q2 of last year. Quarter relatives are Q1 = .6, Q2 = .9, and Q3 = 1.3. (You need to show your work, rather than only a final answer.)

What is Q4? (2 points)
What are the seasonal forecasts for the last quarter of this year and the first quarter of next year? (6 points)

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