New-car sales of a dealer during the past year are shown in the following table, along with monthly seasonal relatives.

Month	Units Sold	Seasonal Relative
Jan	710	1.12
Feb	644	1.12
Mar	674	1.00
Apr	596	1.00
May	619	0.92
Jun	642	0.74
Jul	642	0.86
Aug	602	0.78
Sept	602	0.89
Oct	555	0.79
Nov	559	0.68
Dec	516	0.68

a-1.Select the correct chart showing the plotted data.

Chart A	Chart B	Chart C

(Click to select) Chart A Chart B Chart C

a-2.Does there seem to be a trend? (Click to select) Yes No

b.Deseasonalize the new car sales.(Round the final answers to 1 decimal place.)

Month	De-seasonal
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

c.Select the correct chart showing the deseasonalized data on the same graph as the original data.

Chart A	Chart B	Chart C

(Click to select) Chart A Chart B Chart C