The unavailability of a processing station due to vanous outages is 20%. Furthermore, jobs are processed at this station in batches with an average size of 20 jobs per batch, and the average set up time experienced betwee I two consecutive batches is equal to 10 minutes if the station nominal processing time per job is equal to 1 minute, then its offoctive mean processing time per job is Could not found 2,25 1,75