a$)$ Using the FCFS $($first come, first served$)$ decision rule for sequencing b$)$ Using the SPT $($shortest processing time$)$ decision rule for sequencing

the jobs, the order is $($to resolve a tie, use the order in which the jobs

were received$)$:

The average tardiness $($job lateness$)$ for the sequence developed using the SPT

rule $=,$ days $($round your response to two decimal places$).$

The average completion time for the sequence developed using the SPT rule $=$

days $($round your response to two decimal places$).$

The percentage utilization for the sequence developed using the SPT rule $=$

$\%($enter your response as a percentage rounded to two decimal places$).$ c$)$ Using the EDD $($earliest due date$)$ decision rule for sequencing the jobs, the

order is $($to resolve a tie, use the order in which the jobs were received$)$:

The average tardiness $($job lateness$)$ for the sequence developed using the

EDD rule $=$ days $($round your response to two decimal places$).$

The average completion time for the sequence developed using the EDD rule :

days $($round your response to two decimal places$).$

The percentage utilization for the sequence developed using the EDD rule $=$

$\%($enter your response as a percentage rounded to two decimal places$).$ d$)$ Using the Critical Ratio $($CR$)$ scheduling rule for sequencing the jobs, the

order is:

The average tardiness $($job lateness$)$ for the sequence developed using the CR

rule $=,$ days $($round your response to two decimal places$).$

The average completion time for the sequence developed using the CR rule $=$

days $($round your response to two decimal places$).$

The percentage utilization for the sequence developed using the CR rule $=$

$\%($enter your response as a percentage rounded to two decimal places$).$

the jobs, the order is $($assume that jobs came in the order in which they are

listed in the table$)$:

The average tardiness $($job lateness$)$ for the sequence developed using the

FCFS rule $=$ days $($round your response to two decimal places$).$

The average completion time for the sequence developed using the FCFS

rule $=,$ days $($round your response to two decimal places$).$

The percentage utilization for the sequence developed using the FCFS rule $=$

$\%($enter your response as a percentage rounded to two decimal places$).$

b$)$ Using the SPT $($shortest processing time$)$ decision rule for sequencing

An Alabama lumberyard has four jobs on order, as shown in the following

table. Jobs are logged as they arrive. Today is day $1$ on the yard's

schedule. In what sequence would the jobs be ranked according to the

decision rules on the left: