The graph above shows the total sales, in millions of dollars, for three companies, A & B & C, in a particular sector for the years 1998 through 2007 inclusive. Assume these companies are the only three companies active in this particular sector. Companies A & B existed since the 1980s, although only data from 1998 is shown. Company C's first year in existence was 2000.
From 2002 to 2003, Company C had what percentage increase in its total sales?
Three Companies in a Sector