You are managing the execution of project work on a job site to convert an old school to a fitness center for a customer. One of the contracted plumbers has discovered that the plumbing is not up to code. You analyze the situation and discuss options with the project team members including the contractor. The best option in this situation is to replace the plumbing. To ensure the project stays on schedule, the contractor will need to bring in three additional plumbers. The cost for bringing the plumbing up to code is an additional $20,000. After documenting the issue in the issue log, you need to bring it to the attention of the customer. You begin by referring to the communications management plan. What should do NEXT