Final answer:
Milestones answer the questions of what, when, how much, and at times, where.
Step-by-step explanation:
The answer that addresses the questions of what, when, how much, and at times, where is milestones. Milestones are specific goals or achievements that need to be reached within a project. They provide a clear timeline and measure progress towards the project objective. For example, if the project objective is to develop a new product, some milestones could be completing the design phase, finishing prototyping, and launching the product.