Which of the following are elements of project estimates and budgets (select all that apply)

The difference between forecasted income during the project and estimated expenditures during the project is the amount of working capital needed to meet expenses.

Life cycle costs are estimated at the end of the project.

Generally, the amount needed in the management reserve should decrease as the project progress.

Direct overhead refers to overhead costs that cannot be traced to a particular project and are allocated among all projects. 

A contingency amount can be: