Question 4 wanaw Ball 20.00 Masques Case study: A nursery management system offers the following functionalities : . Nursery staff can register a new kid. Nursery manager can access all the data. Parents can access daily reports for their kids, and they can update their information Nursery staff can issue bills. Parents can pay bills. Parents can contact and chat with nursery staff. Nursery staff can contact and chat with parents. As a software engineer you are responsible for designing the application. As a first step you need to produce an DFD LO for this application by defining the main processes. To do so, you need to answer the following questions: (4 x 5 marks) 1. What are the external actors? Justify your answers 2 What are the main processes? Justify your answers 3. What are the data stores? Justify your answers 4. For each data store, identify the processes that read from the data store and those that write in the data store.justify your answers