(a) Advances in computer hardware and communication technologies have enabled employees to work from home and at distance. Discuss any THREE (3) computing technologies that have emerged to support the new working style especially during the COVID-19 pandemic. (9 marks) (b) In the current age of digital economy, the development of e-commerce is becoming more progressive. However, the development has introduced new issues and challenges as well. As the owner of an online retailer, explain any FOUR (4) legal or ethical issues which should be managed properly and accordingly. (16 marks)