Your local baker CrustyBakes produces a wide variety of cakes and breads. The business has recently been expanding and now has 12 employees. Its owner, Mrs Grain, has therefore employed your software development company for the bespoke development of a new web-based system to support production and sales. a. Mrs Grain has just sent an e-mail complaining that, after several consultations, developers are still talking about “requirements engineering” with no sign of any system implementation. Write a reply to Mrs Grain’s email in which you explain the purpose, complexity and possible complications of requirements engineering. (30%) b. b) UML supports object-oriented system analysis. Show how the UML Class Diagram and the UML Object Sequence Diagram can be used to model a system that supports CrustyBakes’ operations. List any assumptions you are making about the business.(70%) an uml class diagram about the business mentioned above.