Answer:
Missed project deadlines
Explanation:
From the question, we are informed about Carlos, who is the HR Director of a large paper manufacturing company, is studying the company's turnover costs. He has accounted for most of the easily calculable costs, but he is concerned about the hidden costs of turnover. Given this information, the most likely a cause of concern for Carlos is Missed project deadlines.
Project deadlines can be regarded as
final time point which is needed for a given project to be done as well as the submission of handing over. It is been
characterized as desired time-frame set for a project as well as links initial time expectations for the project to be
produced in a timely manner.