Answer the following questions in writing. |.What are the basic scope of services for a business activity statement (BAS) agent providing payroll services? 2. What are award, enterprise agreements and industrial instruments? 3. Identify and explain at least 3 common organisational policy and procedures that affect payroll. One of these policies and procedure must include the structure of authority in organizations. 4. In your own words, describe why industry codes of practice are relevant to payroll operations