please be quick

4. A software company has four jobs waiting to be traded. Software staff employed by the company In terms of number, it is not possible to carry out these works in parallel, the works will be completed in series. In the table below the time, processing time and delivery times since the receipt of jobs (how many days from today) It is shown. delivery (day) time customer time elapsed after order (days) A 13 B 5 8 D 9 processing time (day) 21 9 15 22 50 45 40 35 a. Fill in the table below using the first come first serve (FCFS) rule. customer ranking start time (days) processing time (day) delay (day) completion time (days) delivery time time after order (day) flow time (days) b. Fill in the table below using the nearest delivery time (EDD) rule. customer ranking start time (days) delay (day) processing time (day) completion time (days) delivery time time after order (day) flow time (days) c. Calculate and compare the average delay times and average flow times of the two rules. 4. A software company has four jobs waiting to be traded. Software staff employed by the company In terms of number, it is not possible to carry out these works in parallel, the works will be completed in series. In the table below the time, processing time and delivery times since the receipt of jobs (how many days from today) It is shown. delivery (day) time customer time elapsed after order (days) A 13 B 5 8 D 9 processing time (day) 21 9 15 22 50 45 40 35 a. Fill in the table below using the first come first serve (FCFS) rule. customer ranking start time (days) processing time (day) delay (day) completion time (days) delivery time time after order (day) flow time (days) b. Fill in the table below using the nearest delivery time (EDD) rule. customer ranking start time (days) delay (day) processing time (day) completion time (days) delivery time time after order (day) flow time (days) c. Calculate and compare the average delay times and average flow times of the two rules