An Analysis of Company Financial Records Shows That in Every

An analysis of company financial records shows that in every year that the company increased its advertising expenditures,sales increased.What can you say about the relationship between the two factors/variables?

A) Advertising expenditure and sales exhibited concomitant variation.
B) Increasing advertising expenditures led to increased sales.
C) Increased sales led to an increase in advertising expenditures.
D) Advertising and sales are inversely related.
E) none of these