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 $205.$