The student has effectively included relevant diagrams that illustrate the chosen concept and topic, specifically demonstrating the negative externality of Coca-Cola consumption and the impact of the sugar tax. However, the diagrams are not completely accurate, as the demand curve is oversimplified and lacks the necessary labeling and arrows to indicate changes in price and quantity. Despite this issue, the student provides clear explanations alongside the diagrams, detailing the relationships between the Marginal Social Benefit and Marginal Private Benefit curves, as well as the effects of the tax on supply and demand, which enhances the reader's understanding of market inefficiencies and government intervention.
