Exxon Mobil enters into a pact with Gazprom, the world's largest natural gas extractor, to set up a processing unit in Baku, Azerbaijan. Which of the following is most likely the reason for Exxon Mobil to opt for this strategic alliance?1. to scale back its core competencies2. to better compete with Gazprom3. to restrict its factors of production4. to gain access to low-cost inputs of production5. to gain access to new customers