ocr: Mierocomputer Software Saless 1993 a Word processors Spreadsheets Databases Entertainment Finance 0.2 0.4 0.6 0.8 1.0 1.2 Billions of dollars. Total PC/MC-DOS Windows Macintosh -40 -20 20 60 80 100 Source: U.S. Bureau ofthe Census Percent change:1992-93