Sara Has Been Assigned by the Project Manager to Serve

Sara has been assigned by the project manager to serve as the testing manager for the soon-to-be-completed systems project. The project manager has made it clear that this systems project is normal in every way and they are to design a plan that would be similar to the last. They have written a normal testing plan that is very similar to the testing plan followed on the last three projects. What are the four stages of tests Sara should include in their testing plan and what is the ideal type of test to be performed for each stage.