The Following Chart Shows a Relationship Between Advertising Expenditures and Sales

Multiple Choice

The following chart shows a relationship between advertising expenditures and sales.
Which of the following describes the chart in terms of a linear relationship?

A) The chart shows a linear relationship.
B) The chart shows increasing marginal returns.
C) The chart shows a proportional relationship.
D) The chart shows discontinuities.
E) The chart is piecewise linear.