Fast Wheels Co provides rental car services. It offers car hire services to corporate customers on credit payment terms and to members of the public on advance payment terms, including payment by cash. In addition to the car hire revenue, the company categorises income from the sale of excess damage waiver insurance premiums and the hire of child seats and satellite navigation systems as Car Hire Income. Required: Identify and explain THREE factors that would contribute to the assessment of a high inherent risk applying to Car Hire Income as reported in the financial statements of Fast Wheels Co.