The following three situations have arisen in the audit firm of Rahman and Co: (1) One of the partners, Md. Islam, and his wife have been invited by the managing director of Concrete Cement, an audit client, to celebrate the company's 30th anniversary with management over a long weekend in Cox's Bazar. Md. Islam has been the engagement partner since incorporation of the company. (ii) The firm has been approached and asked to accept appointment as auditors of Shine Poker Ltd. One of the firm's audit managers is company secretary of the company, although he takes no part in the management of the company. His parents are the directors and shareholders of Shine Peker Ltd. (iii) The directors of Pran Company Ltd. are unhappy with the level of fees charged by the audit firm. They are still refusing to agree an outstanding bill for taxation and advisory work, and are demanding a reduction in the audit fee this year to match a quote they have received from another firm. (iv) The firm has always carried out tax advisory work for Bangle Groups Ltd. The tax advisory services do not have an impact on the figures reported in the financial statements. The finance director has stated that he feels strongly that the firm that offers taxation services this year should charge a fee which is based on a percentage of tax saved. He also trusts that your firm will accept a fixed fee for representing Bangle Groups Ltd. in a dispute regarding the amount of sales tax payable to the taxation authorities. Required (a) Make comments on the above situations, recognising any threats to independence or objectivity (you must describe threats in details and explain how the threats impair independence and objectivity of auditor). (b) Give suggestions in details what safeguards the firm should put in place to deal with such threats