FCFS$-$L$-$bar

Below is the data in the usual notations about $5$ jobs $($A through $E)$; find the value of X in the table below using the FCFS rule.

$\backslash$table$[[$Jobs$,$PT$,$DD$],[$A$,20,30],[$B$,30,50],[$C$,10,25],[$D$,16,80],[$E$,18,60]]$

$\backslash$table$[[$Jobs$,$PT$,$DD$,$CT$=$FT$,$Late$],[,,,,],[,,,,],[,,,,],[,,,,],[$Sum$,,,,],[$F$-$Bar,,,,$],[$ANJ$,,,,],[$L$-$Bar,X$,,,]]$