can you please answer these questions please I don't have the book and no need of explanation. laboratory management class

11. Which is NOT an example of a laboratory internal failure cost? a. Unacceptable samples b. Downgrading c. Customer complaints d. Downtime 12. A relatively modest increase in prevention costs realizes: a. A significant reduction in the cost of failure sia b. An equally modest reduction in the cost of failureste c. No reduction in the cost of failure if staff errors are the source of failures d. A moderate reduction in the cost of failure, providing the 13. The best way to reduce the cost of failure is for laboratory management to devote efforts to a. Prevention and appraisalata b. Proper staff training sex C. Routine laboratory equipment inspection d. Quality enhancement opportunities 14. Internal failure costs are considered a. Controlled failure costs sieb "bad" failure costs Str. c. Inevitable failure costs d Staff/personnel error failure costs