Use the following information for questions 11 - 13. Laura manages a project to build an airport. At some point in time, Laura performs an earned value analysis. The following table summarizes the findings: Activity Budget % scheduled to be competed up to this time % actually to be competed up to this time Add plumbing $350,000 75% 60% Build runway $800,000 40% 50% Install lighting $200,000 50% 40% 11)Is the overall project ahead of schedule or behind schedule? 12)How far ahead of schedule or behind schedule is the project? (Answer as a percentage) 13) Suppose that when Laura conducts the earned value analysis, it is observed that the project actually spent $300,000 for the work completed on the 'Add plumbing' activity and $320,000 for the work completed on the 'Build runway' activity. Also, Laura concludes that the overall project is 5% under budget. Is the `Install lighting' activity over budget or under budget? (Choose one)