$18.$ A project is chartered to determine new ways to extend the product life of one of the company's medium$-$producing products. The project manager comes from the engineering department and the team comes from the product management and marketing departments. The project scope statement and project planning are completed when a stakeholder notifies the team that there is a better way to complete one of the work packages. The stakeholder supplies a technical review letter from his department proving that the new way to complete the work package will actually be faster than the old way. The project manager has had similar experiences with this department on other projects and was expecting this to happen on this project. What is the first thing the project manager should do$?$