※ [21～22]. ( 3 )

.

A．

B．

C．

D．

Questions refer to the following graph.

In 1984 the average cost of operating a subcompact car was approximately what percent less than the average cost of operating a midsized car

AVERAGE COSTSOF OPERATING SUBCOMPACT, COMPACT, AND MIDSIZECARS IN THE UNITED STATES, 1982～1986