Order;Time Since Order Arrived $($hours ago$)$;Estimated Machine Time $($hours$)$;Due Date $($hours from now$)$

$1$;$3$;$15$;$18$

$2$;$1$;$9$;$20$

$3$;$0$;$7$;$21$

$4$;$6$;$10$;$12$

$5$;$5$;$3$;$8$

Using the EDD$($earliest due$$ date$)$ decision rule for sequencing the$$ orders, the order is$($to resolve a$$ tie, use order in which the orders were$$ received$)$: