In order to ensure that the installation of the new materials is successful in the project, you should hire a subject matter expert to train the project team how to install the materials. This is the best preventive action that you can take in case the project team has never worked on the material.

Answer option C is incorrect as while this approach may work it's not the best corrective action as the project team isn't learning how to use the new materials.

Answer option B is incorrect as this approach practically encourages the team to waste materials without training them how to install the materials properly.

Answer option D is incorrect as the incentive program is flawed if the team doesn't understand how to install the new materials to begin with.