#4 and please type ALL answers

[ 20 points] These six jobs are to be scheduled on a single machine: a. Suppose the jobs are processed in numerical order. Compute the average flowtime after each job is completed. b. In what order would the jobs be processed using the SPT rule? Compute the average flowtime after each job is completed. Compare this answer with your answer to part (a). [ 20 points] These six jobs are to be scheduled on a single machine: a. Suppose the jobs are processed in numerical order. Compute the average flowtime after each job is completed. b. In what order would the jobs be processed using the SPT rule? Compute the average flowtime after each job is completed. Compare this answer with your answer to part (a)