The IT department has its own methodology for doing software development. The engineering department has its own methodology for doing new product development. Teams from both departments are brought together to develop a new product with a significant software component. The IT team has decided that this is an APM project and will use the APF Adaptive PMLC model. The engineering department has always used a Linear PMLC and has no intention of doing it any differently. You are the project manager. What would you do? Be specific.