You are the general contractor’s project manager for a custom home project. The contractor signed a lump-sum contract with the owner, but the owner continues to make changes. The problem is that sometimes the owner’s wife calls you and demands certain changes, which her husband may later disapprove. This matter is causing a headache for you and racking up the bill for the owner needlessly. You decided to have a meeting with the owners (husband and wife) to resolve this issue. Outline your plan and argument.