(5 Points) Our company has 5 business units that we classify as operating segments. Financial data for these units follows: ($1,000s) A B C D E Sales $1,000 $400 $1,600 $2,400 $1,000 Profit ($400 ) $60 $1,000 ($400 ) $400 Assets $2,000 $160 $1,400 $8,000 $1,600 Which of these operating segments should be disclosed in the footnotes to our financial statements?