The question asked you which number to use for a forecast of how much money you expect to spend on the rest of the project. Well, isn’t that the definition of ETC? Since you were given the value of ETC, you could just use that number!
You are managing a project with a total budget of $550,000. According to the schedule, your team should have completed 45% of the work by now.
But at the latest status meeting, the team only reported that 40% of the work has actually been completed. The team has spent $175,000 so far on the project.