Using the data flow diagram below, please answer the following questions

a. Suppose you wanted to provide more detail for one of the processes shown without modifying this DFD. Describe how you would do it? (Note: you should describe what the diagram would entail, but not actually draw it.

b. What level is the DFD above? Explain.

Example of Data Flow Diagram selecti criteria Selection EDT trigger Accet Find osition Criteria Control D2 selection criteria iComposition Selection music library D5 composition selection EID list of assumptions Composition Selection original composition request D4 music library index