What Does the Scatterplot of These Data (Shown Below) Suggest

Multiple Choice

What does the scatterplot of these data (shown below) suggest?

A) Using the interaction term Employees*Union in the model is appropriate.
B) Using Union as an indicator variable in this model is appropriate.
C) Union should not be included in the model as a variable.
D) Employees should not be included in the model as a variable.
E) Using the interaction term Employees*Union in the model is definitely inappropriate.