27.What does a "Resource Area Chart" or "Resource Histogram" display? Group of answer choices

1.It shows when resources of various types are allocated to a project, plotted over time.

2.It shows the square footage (area) of office space used by project team members, plotted over time.

3.It shows the cost of the resources used on the project using their pay rates.

4.It shows resource allocations at a single point in time, not over the entire project.