a$)$ Using the FCFS $($first come, first served$)$ decision rule

for sequencing 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$).$

An Alabama lumberyard has four jobs on order, as

shown in the following table. Today is day $205$ on

the yard's schedule. In what sequence would the

jobs be ranked according to the decision rules on

the left:

All dates are specified as manufacturing planning

calendar days. Assume that all jobs arrive on day

$205$Compute all times based on initiating work on

day $205.$