Sygnia Limited has been in operations for five years. During this time its turnover has increased from R2 million per annum to R22 million in the last year. The staff complement has grown from twenty when the company was first incorporated to 400 staff members currently. The Board of Directors has up to this point taken personal responsibility for all its governance and oversight responsibilities. The Chairperson of the Board has proposed that sub committees be established to assist the Board of Directors in fulfilling their responsibilities. The chairperson has approached you for guidance. REQUIRED: Provide a summary of the recommended practices relating to the establishment of sub committees by the Board of Directors