Revenue earned by a business enterprise is recognized foraccounting purposes at

Revenue earned by a business enterprise is recognized foraccounting purposes at different times according to thecircumstances. In some situations revenue is recognizedapproximately as it is earned in the economic sense. In othersituations revenue is recognized at point of delivery.Required:1. Explain and justify why revenue often is recognized as earned atpoint of delivery.2. Explain in what situations it would be useful to recognizerevenue as the productive activity takes place.3. At what times other than those included in (1) and (2) abovemay it be appropriate to recognize revenue?