In the chart, the extra weight misfortune should be visible as the concealed region between the organic market bends. While the interest bend shows the worth of merchandise to the buyers, the stock bend mirrors the expense for makers. As the model above makes sense of, when the public authority forces an expense upon citizens, the duty expands the cost paid by purchasers to Pc and diminishes cost got by venders to Pp. Purchasers and merchants {Amie and Will} surrender the arrangement among them and leave the market. Accordingly, the amount sold decreases from Qe to Qt The extra weight misfortune happens on the grounds that the duty hinders these sorts of valuable exchanges the market.[3]