McDonald's is one of the largest franchises that has rapidly expanded in Indonesia and internationally, becoming one of the fast-food restaurants that is still favored by people both from Indonesia and abroad. Despite the emergence of numerous competitors, McDonald's continues to thrive and excel with various strategies and innovations. One of them is the BTS Meal project, which resulted in a 57% increase in net sales. The research method used is a quantitative type with a descriptive nature, involving the distribution of questionnaires to 96 respondents who have purchased McDonald's products in Jakarta at least once. The sample for this research was determined using the Lemeshow Formula. This study utilizes multiple linear regression analysis and has fulfilled tests for instruments and classical assumptions, processed using the Statistical Package for Social Science (SPSS) version 25 software. The results of the regression analysis show that the variables of product innovation and sales promotion have significance values of <0.001. Product innovation and sales promotion together have a significance value of 0.000, contributing 62.9% to competitive advantage, while the remaining 37.1% is influenced by other factors. The conclusion drawn from the research is that product innovation significantly affects competitive advantage. Meanwhile, sales promotion significantly influences purchasing decisions. Product innovation and sales promotion, when considered together, significantly impact competitive advantage.

A community service project aims to improve the English skills of Karang Taruna members in Mekar Buana, Tegal Waru, and Karawang as part of this community service project. A skill improvement program focuses on improving the ability to speak English with a strong emphasis on the concept of direction in the context of spoken English. The training is based on discussion and practice in which the methods used are discussion and practice. So that in the end, this service can be seen as having a goal, that is, when the skills of cadet reef members, which tend to be dominated by these young people, can be enhanced with time, they can become a liaison between Mekarbuana villagers and foreign tourists who come to the village in the future.

Watching the rapid development of science and technology, companies that run a sales business are required to be more effective in working and marketing their products. PT Internusa Technology or also known as INUS, is a company engaged in the sale of analog and digital CCTV. PT Internusa Technology has problems in data collection transactions. In addition, there are other problems, there are still very few promotional media to introduce various kinds of products that are to be sold and also prospective buyers sometimes have difficulty in knowing the prices and types of products to be sold by PT Internusa Technology. The purpose of research and making this journal is to make the sales system at PT Internusa Technology computerized, make it easier for PT Internusa Technology to market its products, and also make it easier for prospective buyers to find out the types and prices of products to be sold by PT Internusa Technology. The research method used is Research and Development (R&D). The result is making of applications design that support all the problems discussed previously. This application can make it easier for users to make CCTV sales transactions, the company can market their own products to be sold online with a larger target market, and making it easier for buyers and sellers to transact or just look for information about the store.