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Accountability in preparing financial reports is a crucial instrument for the sustainability of business entities, because inaccurate financial data management can hinder decision-making and harm business performance in the future. For MSME actors in the PKK Tanggamus community, strengthening financial reporting competence is an urgent need so they can map expenditure structures, record income, calculate profit, and evaluate business development periodically. This community service activity aims to improve participants’ financial discipline, particularly in separating personal assets, business capital, and gross profit, while introducing accessible office technology. The training focused on optimizing LibreOffice Calc as an alternative to Microsoft Excel with similar functions for creating transaction tables, cost recapitulations, and simple financial reports. The activity method included material presentation, software demonstrations, report preparation practice, and interactive discussions based on participants’ business needs. Training results showed high enthusiasm, improved understanding, and readiness to use LibreOffice Calc as a more organized, transparent, and sustainable financial recording tool. Thus, this activity provides practical contributions to building an accountable financial administration culture for community-based MSMEs.

This research was conducted in February-April 2025 at the Tebing Suban Tourism, Talang Ulu Village, East Curup, Selupu Rejang District, Rejang Lebong Regency. So the purpose of this study was to determine visitor satisfaction with the services of the Tebing Suban tourist attraction, Rejang Lebong Regency. The method used in this sampling was by Accidental Sampling, a sampling technique based on coincidence, namely anyone who accidentally meets the researcher can be used as a sample, if it is considered that the person who happened to be met is suitable as a data source. The data analysis method used is quantitative descriptive and data processing is carried out using the help of the SPSS (Statistical Program for Social Science) and Microsoft Excel applications which are presented in the form of tables and tabulations, then data measurements are carried out with visitor satisfaction tools, namely Importance Performance Analysis (IPA) and Customer Satisfaction Index (CSI). the results of the research that has been done, then several conclusions can be drawn, namely the results of the Importance Performance Analysis (IPA) based on the Cartesian diagram show that of the 20 service performance attributes of the Tebing Suban Tourism Object, there are 5 attributes that are considered very important and are the main priority in determining visitor satisfaction. Based on the calculation of the Customer Satisfaction Index (CSI), the satisfaction index value is 79.36%. This value is obtained from the Weighted Score divided by the Likert Scale value range.

Land and water sources are important in cultivation activities. Efforts to overcome the problem of limited land and water for cultivation include technology development. One of the technologies being developed is vertiqua. The Vertiqua that has been developed, both with and without biophysical filters, still has weaknesses, namely high levels of ammonia. Therefore, a biofical modification was carried out, namely using a biofical top filter to increase the effectiveness of reducing ammonia levels to support fish growth in the vertiqua. The aim of this research was to test the effectiveness of the biofical top filter on the rate of reduction in ammonia levels in the vertiqua. The research design was carried out using a Completely Randomized Design (CRD) for one treatment with three repetitions, in this study with an upper biophysical filter as treatment and three vertiquas as repetitions. The data analysis carried out in this research was an experimental method. The results of the research are presented in the form of graphs, tables and narratives using Microsoft Word and Excel. As for testing, the research sample was tested with the middle value using Microsoft Excel and Minitab 21 by comparing the test results with the standard. According to the research results, the use of an upper biophysical filter can have an effect on maintaining physical and chemical water quality parameters (P<0.05) so that they comply with quality standards. However, there are several water quality parameters that do not comply with quality standards, such as pH and nitrite. The use of the upper biophysical filter type in the vertiqua koi fish cultivation system has an effect on reducing ammonia and maintaining water quality so that it meets quality standards. However, the nitrite value at the beginning was high, but after two weeks of testing the value began to decrease, indicating that the upper biofical filter was running optimally.

 Microsoft Excel is a versatile tool for data analysis that can be used in various contexts, including health. This study focuses on the use of Excel to manage and analyze health data. The process begins with the creation of Excel tables that include health data such as weight, height, blood pressure, and blood sugar levels. Next, we apply various Excel formulas and functions to interpret this data. Examples include the use of the SUM function to sum data, the AVERAGE function to calculate averages, and the IF function to create conditional statements to determine a person's health status based on certain parameters. The results show that Microsoft Excel is a powerful and effective tool for managing health data and provides valuable insights for health analysis. This research provides a strong foundation for the use of Excel in the health context and highlights the importance of a thorough understanding of Excel formulas and functions for accurate and informative data analysis.