Question 7: The owner of a small social services management consulting firm wants to minimize the total number of hours it will take to complete four projects for a new client. Accordingly, she has estimated the time it should take for each of her top consultants Barbara to complete any of the four projects, as follows: Dona, Jack, David, and job C A D 10 Dona 40 50 35 60 Jack 40 80 25 David Barbara 30 35 35 20 50 50 15 20 a) What is the total number of hours required by the following arbitrary assignment? Dona B, Jack D, David A, BarbaraC? b) What is the optimal assignment of consultants to projects? (Use assignment method and show your work) c) For the optimal schedule, what is the total number of hours it will take these consultants to complete these projects? Question 8: The following jobs are required to be done in a work centre (jobs arrived today). Job Processing Time Due Date A 15 12 14 8. 8 D. 20 Use SPT, EDD, and CR method to find the sequence of the jobs. Find average flow time, average WIP, and average days late for each sequence.