plz answer with proper calculations and explanations.

Calculate the Critical Ration (CR) (Enter all responses rounded to two docimal places) The following 5 overhaul jobs are waiting to bo processed at Myisha Adam's Engine Job Repair Ing Those jobs worn logged as they anived, All dates are spoofled as planning CR calendar days 103 Job Due Date Duration (days) 103 11 205 210 5. 210 15 412 214 10 517 223 Amnuma giat all jobs arrived on day 180today's date Is 20o