need quick response and correct answer for a thumb up

) Job expansion loan effort to improve quality of work we by moving from Imbor specialization towards more varied job design. However there are some limitations in implementing job expansion. Explain any four (4) limitations al job topansion. (10 mars b) Bank manager Noor Atiqah wants to determine the percent of time that tallers are working and ide. She decides to use work sampling, and her initial estimate is that the tallers are idle 15% of the time. How many observations should he take to be 96.45% confident that the resulta will not be more than 4% from the true result? (5 marka) a) Elaborate any four (4) techniques of aggregate planning (10 marca) Task time estimates for a production line setup project at Nur Allt in Selangor are as follows: Predecessors Task A B D E F G H Time (weeks) 8 7 5 6 4 7 4 , B, C D EF G (3 marks) b) Determine ES, EF LS, LF and stock for each activity (8 marks) ex