Once the scope has been modified, as in this instance, the project manager and the project team should reflect the scope addition in the scope statement, the WBS, and the WBS dictionary. 1 is incorrect. While crashing the project may be appropriate in some instances, this question already acknowledges the additional time for the added work. 2 is incorrect. A risk assessment is likely to have already happened because the change requested passed through the change control board process. 4 is incorrect because costs and time are calculated before the change has been accepted.