Harlose Suits faced a lot of complaints from customers when its recent batch of goods was dispatched. The employees at Harlose Suits, hence, had to rework on the returned items, and in some cases, the company had to even replace the faulty goods. In this case, the costs incurred by Harlose Suits are an example of _____. a. prevention costs b. internal failure costs c. external failure costs d. appraisal costs