Identify the variable. 7) For the year 2006 , a large record company reported the following sales figures for various music 7) media. Media Sales ($ millions) CD 1477.3 CD single 1.8 MP3 659 Vinyl 2.6 Music Video 531.4 Mini Disc 0.3 DVD 108.2 Cassette 3.4 Identify the variable under consideration in the first column? A) media type B) CD C) 1477.3 D) sales Tell whether the statement is true or false