Chart 7. Gross-profit growth of major business segments as a percentage of total gross-profit growth, 2007–19
Business segment Percent

New vehicles

 -0.76

Used vehicles

 11.10

Parts, labor, and service

 48.54

Finance and insurance

 41.53

Note: The category of "other" was omitted because it was trivial. Percentages do not add up to 100 because of rounding.

Source: Authors' calculations using U.S. Securities and Exchange Commission data (https://www.sec.gov/edgar/search/).