CV. Syahfira Bakery and Cake is a business engaged in the production of cakes, pastries and bread. The more a business develops, the transactions that occur daily also increase. However, sometimes the sales transaction data is not fully utilized properly by administrative staff and company owners. In fact, if it is processed and used by administrative staff and supervised by business owners, then sales data will have a major influence on product sales in the future. Data processing can be done using data mining techniques, these data sets can produce new information, one of which is customer purchasing patterns. Syahfira Bakery and Cake is a cake, sponge and bread shop that has not fully utilized data for determining sales business strategies. With these problems, it is necessary to use transaction data to be processed with the Apriori algorithm so that it can provide new knowledge that can be utilized by shop owners. Based on the research that has been done, from the 20 processed transaction data, results are obtained that meet a minimum support of 30% and a minimum confidence of 70% and one rule is obtained, namely if a customer buys chocolate jam products, he will buy plain bread

This study aims to analyze Islamic Work Ethics in Improving the Quality of Work of PT. Bank Muamalat Indonesia, Tbk Makassar Main Branch Office (Case Study of Human Resources). The method of analysis used in this research is qualitative research methods. The subject of research is the application of Islamic work ethics in improving the quality of work of employees, especially frontliners based on indicators of improving the quality of employee work with Muamalat IDEAL (Modern Professional Islamic). The results showed that Islamic work ethics plays a role as a basis in improving the quality of work of employees, especially frontliners.
 
Keywords: Islamic Work Ethics, Work Quality, Human Resources