a) What do you understand by a user interface? b) How can you use user interface prototyping in the design process? c) Consider the following interface Prescription Refill Service PRESCRIPTION REFILL SERVICE Your name: Prescription Refil Service Doctors Neme Medicine Name: Prozac **Use MM/DD/YYYY Prozac Clanton Allegra D Singulair Propecia Viagra Paul Date: - [2 marks] 13 marks] Submit! 15 marks] List five things wrong with the interface above. Name at least three user interface design rules that have been violated by this design. How would you approach this design differently? 16 marks] 14 marks] Write down at least two of the potential factors that may generate an alternative flow of events. 12marks