Question: The table below shows the sales data for the 48 months preceding the storm. The following table reports total sales for the 48 months preceding

The table below shows the sales data for the 48 months preceding the storm. The following table reports total sales for the 48 months preceding the storm for all department stores in the county, as well as the total sales in the county for the four months the Carlson Department Store was closed. Management asks you to analyze this data and develop estimates of the lost sales at the Carlson Department Store for the months of September through December 2003. Management also wants to determine whether a case can be made for excess storm-related sales during the same period. If such a case can be made, Carlson is entitled to compensation for excess sales it would have earned in addition to ordinary sales.

Table 1 Sales for Carlson Department Store, Sept 99 through Aug 03

Month

1999

2000

2001

2002

2003

January

1.45

2.31

2.31

2.56

February

1.80

1.89

1.99

2.28

March

2.03

2.02

2.42

2.69

April

1.99

2.23

2.45

2.48

May

2.32

2.39

2.57

2.73

June

2.20

2.14

2.42

2.37

July

2.13

2.27

2.40

2.31

August

2.43

2.21

2.50

2.23

September

1.71

1.90

1.89

2.09

October

1.90

2.13

2.29

2.54

November

2.74

2.56

2.83

2.97

December

4.20

4.16

4.04

4.35

Table 2 Department Store Sales for the County, Sept 99 through Dec 03

Month

1999

2000

2001

2002

2003

January

46.8

46.8

43.8

48.0

February

48.0

48.6

45.6

51.6

March

60.0

59.4

57.6

57.6

April

57.6

58.2

53.4

58.2

May

61.8

60.6

56.4

60.0

June

58.2

55.2

52.8

57.0

July

56.4

51.0

54.0

57.6

August

63.0

58.8

60.6

61.8

September

55.8

57.6

49.8

47.4

69.0

October

56.4

53.4

54.6

54.6

75.0

November

71.4

71.4

65.4

67.8

85.2

December

117.6

114.0

102.0

100.2

121.8

Managerial Report is due 5 April 2019

Prepare a report for the management of the Carlson department store that summarizes your findings, forecasts and recommendations. Include the following:

  1. An estimate of the sales had there been no hurricane.

Hint: Remember to graph this time series data over the 48-month period to help you determine the type of approach to use to determine the forecast sales for the final 4 months of 2003 for Carlson department store. Is there a trend in the data (growth or decline)? Is there seasonality in the data (this is a department store Christmas time and beginning of school are normally big sales periods)? Is there both trend and seasonality?

  1. An estimate of the countywide department store sales had there been no hurricane.

Hint: By comparing the forecast of county-wide department store sales with actual sales, one can determine whether or not there are excess storm-related sales. By computing what is known as a "lift factor" the ratio of actual sales to forecast sales you have a measure of the magnitude of excess sales, if these do indeed exist

  1. Your final estimate of lost sales for the Carlson Department store for Sept Dec 2003.

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