In an agile project facing a new impediment that affects the timeline and costs, the product owner should focus on maximizing value and minimizing costs. Reprioritizing the backlog based on the value of each item and the cost of delay divided by duration is a strategic approach that aligns with agile principles. This method ensures that the most valuable and time-sensitive work is prioritized, which is crucial when dealing with extended support for an older platform at a higher cost. It allows for a more informed decision-making process that considers the impact of delays on the project’s value123.