need help with required!!

need help with first req

A number of activities that are part of a company's quality control system are listed below: Required: 1. Classify the costs associated with each of these activities into one of the following categories: prever on cost, appraisal cost, internal fallure cost, or external failure cost. 2-a. Which type of costs are incurred in an effort to keep poor quality of conformance from occurring? 2-b. Which type of costs are incurred because poor quality of conformance has occurred? Which type of costs are incurred in an effort to keep poor quality of conformance from occurring? Which type of costs are incurred because poor quality of conformance has occurred