The author of the statement jumps to a quick conclusion about the relationship
between radio advertising and store profits, based on limited evidence about
the timing of an increase in sales. It could be that the increase in revenue was
not influenced by the radio advertising, and that Herald’s store did not actually
increase its profits. We would need to know more about the store’s advertising,
sales, and business expenses—among other factors—to determine whether this
argument is valid.564 PART 5 ■ GRE PRACTICE TESTS05-GRE-Test-2018_463-582.indd 564 12/05/17 12:14 pm