John predicted that his project would require, in effort, 25 person-days (d/p) for plan development, 75 d/p for software development, 20 d/p for reviews, 30 d/p for tests, 20 d/p for training and 5 d/p for methodology. His project cost 250 days/p, because he had to redo several modules following the test results. a) Calculate the costs of non-compliance, enforcement, prevention and evaluation. Show your calculations below. b) Calculate the percentage of effort, out of the total cost, devoted to each component: