true or false for each question:

1. The total overhead variance is the difference between actual overhead costs and overhead costs applied to work done.

2. The cash payback method is frequently used as a screening tool but it does not take into consideration the profitability of a project.

3. The profitability index allows comparison of the relative desirability of projects that require differing initial investments.

4. Sensitivity analysis uses a number of outcome estimates to get a sense of the variability among potential returns.