A researcher conducts a two-way ANOVA to examine the effects of education level (high school, college, graduate) and employment status (employed, unemployed) on income. The ANOVA output shows $p$-values of $0.012$ for education level, $0.18$ for employment status, and $0.045$ for the interaction. Based on these results, what should the researcher conclude?

• A. Education level and the interaction have significant effects, but employment status does not
• B. Only employment status has a significant effect
• C. All three factors have significant effects
• D. None of the factors have significant effects

Answer: (A)