Training is an example of the cost of conformance to quality. If you don’t train the project team then quality will suffer. 2 is incorrect because sunk costs describes monies spent on project work that has failed and that cannot typically be recovered. 3 is incorrect because team development involves activities to facilitate team cohesion. The costs, in this question, are not attributed to team development. 4 is incorrect because this is not an example of the costs of the doing business. These costs are unique to this project.