In Article 2, why is Amazon reinventing the wheel by developing a new DBMS which [1] so far, is inferior to the Oracle DBMS that they currently have in their AWS production environment, and [2] there are existing well-established open source DBMS projects which they can participate in at minimal cost. Group of answer choices To lower production costs To develop a new product for its cloud customers To gain a sustainable competitive advantage It looks like Amazon hasn't thought this through