Construct diagram DFD level 1 a)Diagram 1: Verify account Data dictionary based on diagram DFD level 1 a)External entity (name, description, input data, output data) b)Data Flow (name, description, source, sink, data structure) c)Data Store (name, description, input data, output data, data structure) d)Processes (name, description, input data, output data. processes:pseudocode)