The article discusses how using reusable interfaces in software development can save time and money. By measuring the reusability of components, businesses can improve their productivity and quality. Reusable components are like building blocks that can be used in different programs, making development easier. The study suggests metrics like Reuse cost avoidance and Additional development cost to evaluate the benefits of reusability. It also emphasizes the importance of clear and understandable interfaces for effective component reuse. The findings show that focusing on interface quality can enhance the reusability of software components, leading to better products and faster development.