Is there anybody can understand and answer?

Now,assume that the free market equilibrium is not optimal. Show in a detailedsupply and demand diagram how a tax can reach the optimal level of soda consumption in Mexico. Be sure to label all parts of the graph and draw a welfare table of the graph.

假设征税前，价格低于均衡，如途中五角星的点。这时政府对每单位商品征税两条红线竖直水平，这时候会达到均衡。社会福利提高的部分是蓝色区域。

前面是不是还有一堆数据没给出来？{:3_57:}