Joseph quit his job as a marketing manager where he earned RM120,000 a year. He sets up a mini caf using his RM200,000 personal savings that earned interest of RM3,000 per year. During the year, he made RM150,000 in total revenue and paid RM6,500 for the costs of equipment, utilities, internet service and office supplies.

(i) Calculate Joseph's accounting profit and economic profit. (6 marks)

(ii) "I think it is not worth it starting this business." says Joseph. Comment on the above statement.