Consider the following independent situations: a$)$ Keira Knight, sole proprietor of an audit firm, plans to establish a separate business that will provide management consulting services. She intends to operate both businesses simultaneously. b$)$ Warren Brown is the partner$-$in$-$charge of the audit of Cedar Ltd$.$ Over the years, he has become a golfing buddy of Cedar$$s CEO, Craig Phillips. During the current year, Warren and Craig jointly purchased an exclusive holiday house on the Gold Coast. The holiday house represents more than $10$ per cent of Warren$$s personal wealth. c$)$ Leah White, sole proprietor of an audit firm, has provided extensive advisory services for her audit client Grace Furniture Ltd$.$ She has interpreted financial reports, provided forecasts and other analyses, counselled on potential expansion plans and counselled on banking relationships. d$)$ Garbo & Associates recently won the audit of Unique Fashions Ltd $($UFL$),$ a large manufacturer of women$$s clothing. Ken Greenland, one of the partners in Garbo & Associates, had a substantial investment in UFL prior to bidding on the engagement. In anticipation of winning the engagement, Ken placed his UFL shares in a blind trust, where he would not know what action the trust had taken with regard to any shares or other investments. e$)$ Barry Smith, a sole practitioner, audited Galaxy Lights Pty Ltd$$s financial report for the year ended $30$ June $2022,$ and was issued shares by the client as payment of the audit fee. Barry disposed of the shares before commencing fieldwork planning for the audit of the $30$ June $2023$ financial report. REQUIRED: For each situation, determine whether the Code of Ethics for Professional Accountants has been breached and explain your answer. Can you please give me a answer as per Auditing.