the question is complete

Question 5 Chan & Partners Chartered Accountants is a successful mid-tier accounting firm with a large range of clients across Australia. During the 2020 year, Chan and Partners gained a new client, Medical Services Holdings Group (MSHG), which owns 100 per cent of the following entities: Shady Oaks Hospital, a private hospital group Gardens Nursing Home Pty Ltd, a private nursing home the treatment of cancer. Total Cancer Specialists Limited (TCSL), a private oncology clinic that specialises in Year-end for all MSHG entities is 30 June. You are an audit senior on the Shady Oaks Hospital engagement. Your initial review of the business has highlighted the following significant risks. 1. Payroll expense. Shady Oaks employs, in addition to its full-time staff, a significant number of casual nursing, cleaning and administrative staff. Overtime is often worked on weekends and night shifts due to a shortage of staff. Payment at overtime rates for standard weekend and night shifts has been a common occurrence. 2. Accounts payable. Shady Oaks also has a large number of suppliers for various medical supplies and drugs. Paying the supplier twice for the same purchase has been a continuing problem. Required: For each of the accounts for Shady Oaks (I and 2 above) identified to be a significant risk: (a) determine the key assertion at risk (b) describe a practical prevent internal control that would directly address the risk (c) describe a practical detect internal control that Shady Oaks could implement in relation to the risk