During the 1940s,World War II Figured Just as Predominantly in Cartoons

During the 1940s,World War II figured just as predominantly in cartoons as bad puns and wisecracking animals that could tap dance and warble opera.While real soldiers did battle in the European and Pacific theatres,the North American public was watching war-themed cartoons in theatres with names like Bijou and Majestic.While kids particularly enjoyed the cartoons,the cartoonists who developed them did not make these cartoons for kids-they made them for themselves.If one of them came up with an idea that all of them thought was funny,it was made into a cartoon.
-Refer to Wartime Cartoons.What was the purchase of a movie ticket in the 1940s to see a cartoon and a feature film an example of?

A) an exchange
B) the use of the entire marketing mix
C) a valuation
D) a transformation