ialculate the Critical Ratios $($CR$)$: $($Enter all responses rounded to two decimal places.$)$

$\backslash$table$[[$Job$,$CR$],[1,]]$

The following jobs are waiting to be processed at Jeremy LaMontagne's machine center. Today is day $245.$

$\backslash$table$[[$Job$,\backslash$table$[[$Date Job$],[$Received$]],\backslash$table$[[$Due$],[$Date$]],$Duration $($days$)],[1,215,300,30],[2,230,310,25],[3,228,290,35],[4,235,305,40],[5,245,315,45]]$