7. Information below relates to Salih and Yaakob for a week. Description Salih Yaakob Hours worked 30 hours 55 hours Unit produced (units) 160 168 Rate/hour RM4.50 RM3.50 Rate/unit RM1.50 RM1.00 Normal working hours 44 hours 52 hours You are required to calculate the gross wage earned by each worker if they were paid using; i. time rate method with overtime paid at a premium of 20 percent on hourly rate. ii. piecework method. iii. (4 marks) (3 marks) Elaborate on any advantage of piecework remuneration method in comparison to time rate method. (3 marks)