Under AASB 15 Revenue from Contracts with Customers, a service entity will recognise revenue Select one: O a. if both parties agree the services will be performed over a period of time at the commencement of the service contract O b. at the time the service is performed. O c. when the entity collects cash from the customer for services provided. O d. if both parties agree the services will be performed over a period of time, at the completion of the service contract