Answer:
B. Planning Horizon
Explanation:
Planning horizon is the time period estimated for a project when preparing a strategic plan. It is the time frame that is required for a specific amount of work that is scheduled based on requirements and resource availability. In this case, Ed notices that the project took 6 or more months to complete. Therefore they were very off in their planning horizon as the estimated time frame giving the project requirements and resource availability was 6 or more months off.