(b) A big PCB manufacturing and assembly factory has collected manufacturing data as shown in Table Q2(b). (i) Calculate for columns (f), (g) and (h) in Table Q2(b) to complete the table. (6 marks) (ii) Bascd on the completed table in Q2(b)(i), make suggestions to improve the productivity of the manufacturing process. (b) Number of (d) (e) (h) Output per output (manhour) manhour (unit /manhour) (a) Shift (c) Break (g) Total PCB Actual rejection (%) number time PCB manhour operators (person) output (hour) production (unit) (unit) 1 20 15000 5 2 20 25 25 0.5 20000 3 1 23000 6. 4 0.5 25000 Table Q2(b)