This research aims to determine the effect of production costs, operational costs, and sales volume on the net profit of manufacturing companies in the miscellaneous industry sector listed on the Indonesia Stock Exchange from 2021-2024. The objects studied in this research are manufacturing companies in the miscellaneous industry sector listed on the IDX from 2021-2024, totaling 48 companies. This type of research is quantitative. The research sample was selected using purposive sampling techniques, resulting in a sample of 16 companies. This research uses secondary data obtained from the Indonesian Stock Exchange (IDX). The data analysis techniques used include descriptive statistical tests, classical assumption tests, and hypothesis testing, which consist of multiple linear regression analysis, model feasibility test (F test), partial significance test (t test), and the coefficient of determination test. The results of this study indicate that production costs and operational costs have a significant negative effect on net profit, while sales volume has a significant positive effect on net profit.

This research aims to analyze the influence of the application of good governance, accounting controls, and reporting systems on the performance accountability of village government agencies in the management of village funds throughout the Tanon Sub-district. This type of research is quantitative with a survey approach and data collection techniques through questionnaires. The population in this study comprises all village officials in the Tanon District of Sragen Regency, with a sample size of 80 respondents taken using the saturated sampling method. Data analysis techniques include descriptive statistical tests, validity tests, reliability tests, and classical assumption tests. For hypothesis testing, multiple linear regression tests, t-tests, F-tests, and coefficient of determination tests were used. The results of the study indicate that the implementation of good governance has a positive impact on the accountability of village government performance. Accounting control does not positively impact the accountability of government performance. Reporting systems do not positively impact the accountability of village government performance.

This study aims to conduct a test of the effect of good corporate governance mechanisms on the financial performance of banking companies. Financial performance is calculated using ROA. On the other hand, corporate governance mechanisms are calculated using the following variables: size of the board of commissioners, size of the board of directors, and size of the audit committee. The sample used in this study includes 84 banking companies listed on the Indonesia Stock Exchange (IDX) in 2021 to 2023. Sampling was carried out using the purposive sampling method. In this study, the analysis used is the multiple linear analysis technique. These findings show that the size of the board of commissioners does not affect the company's financial performance. Meanwhile, the board of directors and audit committee have an effect on the financial performance of banking companies.