A project consists of initially investing R$ 74 million in a production process that will have an annual revenue of R$ 30,000,000.00 and annual operating costs of R$ 10,000,000.00 million, net of taxes, for twenty years. From the twenty-first year onwards, 80% of the cash flow from previous years is considered to be perpetuated. Calculate the net present value (NPV) of this project, with a minimum rate of attractiveness equal to 13% per year..