The point on the underlying stockpile bend as for amount of the great after tax assessment addresses the cost {from which the piece of the expense is deducted {\\displaystyle {p_{D}-(1-k)t}.k\\in [0,1]}}[\\displaystyle [p_[0}{1k}t],k\\in [0,1]]} that makers will get at given amount. For this situation, the taxation rate is borne similarly by the makers and purchasers. For instance, assuming that the underlying cost of the great is $2, and the assessment required on the creation is $.40, buyers will actually want to purchase the great for $2.20, while makers will get $1.80