Considering 'Many are based on industry-recognized models such as the Constructive Cost Model (COCOMO), PRICE, Putnam, and Jensen.', is 'None of the models are based on the industry-recognised ones.' a statement that refutes it?
Many are based on industry-recognized models such as the Constructive Cost Model (COCOMO), PRICE, Putnam, and Jensen.###None of the models are based on the industry-recognised ones.