Tanggal masuk 05-05-2021This applied study aims to design and evaluate the testing of the computer-based accounting information system design at UD. Sampun Mapan. The study uses a qualitative descriptive approach, starting from collecting all data related to credit sales, data is presented in a flowchart, designing a credit sales system using Microsoft Access with the MySQL programming language and system testing. The result of this study are design of the accounting system database, testing the computer base system and the obstacles found during system testing were a lack of human resource skills, funds, and a computer system that was not needed.