You are the project manager for a construction project to build 17 cabins. All of the cabins will be identical in nature. The contract for the project is set at a fixed cost, the incentive being that the faster the project work is completed, the more profitable the job. Management has requested that you study the work method to determine a faster, less costly, and better method of completing the project. This is an example of which of the following?

A. Time constraint B. Schedule constraint C. Value engineering D. Learning curve