2) (20\%) Assume last year's (2019) monthly sales figures for a business were: (20\%) The management team for the company in question 2 is concerned about seasonal sales trends for the business and would like to compare its regular regression forecast to a seasonally adjusted forecast. At the end of 2020, it has recorded the following actual sales: a. Based on the sales data for 2019 and 2020, develop a new linear regression equation for predicting long-term sales. Write the regression equation in the appropriate form. b. Using the regression equation, generate the regression sales forecast figures for each month of 2019 and 2020. c. Generate the regression sales forecast figures for each month of the following year (2021). d. Calculate the seasonal ratio for each month of 2019 and 2020 (round to 4 decimal places). e. Calculate the seasonal ratio for each month of 2021 by averaging the same respective months from the previous two years (round to 4 decimal places). f. Calculate the seasonal forecast for all 36 months. 2) (20\%) Assume last year's (2019) monthly sales figures for a business were: (20\%) The management team for the company in question 2 is concerned about seasonal sales trends for the business and would like to compare its regular regression forecast to a seasonally adjusted forecast. At the end of 2020, it has recorded the following actual sales: a. Based on the sales data for 2019 and 2020, develop a new linear regression equation for predicting long-term sales. Write the regression equation in the appropriate form. b. Using the regression equation, generate the regression sales forecast figures for each month of 2019 and 2020. c. Generate the regression sales forecast figures for each month of the following year (2021). d. Calculate the seasonal ratio for each month of 2019 and 2020 (round to 4 decimal places). e. Calculate the seasonal ratio for each month of 2021 by averaging the same respective months from the previous two years (round to 4 decimal places). f. Calculate the seasonal forecast for all 36 months