For the data in given Exercise, use the sketch technique (and an appropriate symbol of your choice) to compare the 2002 and 1980 expenditures.
Exercise
Federal outlays for national defense totaled $348 billion in 2002 compared with just $134 billion in 1980.
a. Using appropriate symbols that would reflect favorably on such an increase, construct a pictogram to compare 2002 with 1980.
b. Using appropriate symbols that would reflect unfavorably on such an increase, construct a pictogram to compare 2002 with 1980.