def test_calc_sask_oil_iogr_subsection3(self):

        pr = ProcessRoyalties()
        self.assertEqual(pr.calc_sask_oil_iogr_subsection3(79.9), 7.99)
        self.assertEqual(pr.calc_sask_oil_iogr_subsection3(150), 22)
        self.assertEqual(pr.calc_sask_oil_iogr_subsection3(500), 112.4)
        self.assertEqual(pr.calc_sask_oil_iogr_subsection3(800), 191)
        self.assertEqual(pr.calc_sask_oil_iogr_subsection3(200), 24 + 0.26 * (200 - 160))
        self.assertEqual(pr.calc_sask_oil_iogr_subsection3(2000), 189 + 0.4 * (2000 - 795))