The student includes relevant diagrams in the essay, with the first one demonstrating the negative externalities caused by the overconsumption of sugary drinks in Indonesia, and the second one showing the indirect tax imposed on sugary drinks to address the negative externalities. Both diagrams are accurate, present all the necessary information, and are correctly labelled. Additionally, the student provides a full explanation alongside the diagrams, making their content and relevance clear to the reader. Overall, the diagrams effectively support the discussion on negative externalities associated with sugary drink consumption and the proposed government intervention through taxation
