please help find the critical ratio in the sevond pictuee. the first picture shows the table

Using the information presented in the following table: Click here for the Excel Data. Fle a-1. Identify the processing sequence that would result using (1) First come, first served, (2) Shortest processing time, (3) Earliest due date, and (4) Critical ratio. (Hint First determine the total job time for each job by computing the total processing time for the job and then adding in the setup time. All times and due dates are in hours.) a-2. For each method, determine (1) average job flow time, (2) average job tardiness, and (3) average number of jobs in the system. Jobs are listed in order of artival. (Round your intermediate calculations and final answers to 2 decimal places.)