Income Year 2001 Sales ('000) 1,000   Expense Year 2001 Sales ('000) -800   Income Year 2002 Sales ('000) 1,020   Expense Year 2002 Sales ('000) -810   Income Year 2003 Sales ('000) 1,100   Expense Year 2003 Sales ('000) -880   Income Year 2004 Sales ('000) 1,190   Expense Year 2004 Sales ('000) -920 Check or uncheck "Show NET" radio button to show/hide the additional NET series: Show NET