Josephine's T-Shirts faced a lot of complaints from customers when its recent batch of long-sleeved shirts was dispatched. The employees at Josephine's T-Shirts, 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 Josephine's T-Shirts are an example of . a. prevention costs
b. appraisal costs
c. internal failure costs
d. external failure costs