Five jobs are waiting to be processed. Their processing times and due dates are given below.

$\backslash$table$[[$Job$,$Processing Time $($days$),$Job due date $($days$)],[$A$,4,7],[$B$,7,4],[$C$,8,11],[$D$,5,8],[$E$,3,5]]$

What is the average number of jobs by using earliest due date dispatching rule?

$2\mathrm{.}25$

$2\mathrm{.}32$

$2\mathrm{.}52$

$2\mathrm{.}62$

$2\mathrm{.}85$