Question 2 (20 marks) HY Training & Consultation Pte. Ltd. promotes a wide variety of digital training courses especially in Johor region. Director Siti Ruqayyah, believes that individually typed letters add a personal touch for marketing. To prepare letters for mailing, she conducts a time study for that. On the basis of the observations shown in the Table 2.1, she wishes to develop a time standard for the whole job. Table 2.1. Data of observation time for each job elements Job Element Observed Time (minutes) Performance Rating 1 2 5 3 2.8 4 2.7 6 2.9 Typing letter 2.9 3.0 3.1 85% Typing envelope 0.8 0.8 0.6 0.8 3.1 0.7 100% 0.4 0.5 1.9 0.3 0.6 0.5 95% Stuffing envelope Sealing, sorting 1.0 2.9 0.9 1.2 4.4 0.9 125% a) By assuming 12% allowance factor, calculate the standard time? (15 marks) b) If she wants to send it to the 5000 potential customers with one-week time allocate to do this type of marketing, calculate how many workers needed to complete the task given. Assume working hour start from 8 a.m to 5 p.m with 1-hour break and 5 days per week