Here are the solution for Lina & Lana Co. problem is by creating an app. An app that can manage Lina & Lana Co. employee leaves. This is because it gives benefits to both parties in term of convenience. On the employee’s sides, it is easy to use as the app can help them browsing or interact quickly through the online or via a mobile phone app. As for the owner, no unnecessary paper words needed or filling in and passing paper forms anymore. The app can be access anytime, anywhere and way that easy way especially for their employees whose are need on annual leave and it is also easy for Lina and Lana.