Question 4 (30 marks) Scheduling involves establishing the amount of work to be done and the time each element of the work will start, or the order of work. According to Akrani (2013) the factors that affect scheduling can be grouped into two categories: internal and external factors. (a)Explain in detail the internal factors that affect Production Scheduling. (7 x 2 marks) Priority decision rules are simplified guidelines for determining the sequence in which jobs will be done. (c) What does the following priority decision rules mean? (3 X 1 mark) 1. FCFS LPT II. III. SPT (C) A Wedding planner is planning to organise a wedding on New Year's Eve for a Hollywood Star. All the activities leading to the wedding is listed in the table below. 1 Activity A B D E F G Description Contact and select Bands Print Wedding cards Distribute Wedding cards Visit Different venues Select Best Venue Select Caterer Set up and final touch before the Wedding Wedding day Predecessor Time (Days) 3 B 3 D 3 E 2 F 2 1 H G Use the information above to construct a Gantt chart to determine when the Wedding organiser should start the activities to ensure that the Wedding is on schedule. (13 marks) Additional Information: (1) New year 2020 is on Wednesday 1st January. (ii) The Wedding planner works on Weekends but not on Public Holidays. (ii) Christmas 2019 is on Wednesday 25th December