![](http://lpma.chb.cc/wp-content/uploads/2018/LPMtool/CurrencyEuro_400.jpg)
All elements related to delays can also be followed as costs (from resources work) and managing other expenses all costs of the project are monitored and can generate invoices.
![](http://lpma.chb.cc/wp-content/uploads/2018/11/Project_100.jpg)
The Project is the main entity of ProjeQtOr.In addition to tracking work on projects, ProjeQtOr can track the costs associated with this work.
![](http://lpma.chb.cc/wp-content/uploads/2018/11/Activity_100.jpg)
An Activity is a task that must be planned, or includes other activities.Work assigned to resources on activities is converted into associated costs.
![](http://lpma.chb.cc/wp-content/uploads/2018/11/ResourceCost_100.jpg)
To calculate the cost of work ProjeQtOr defines the Resources cost.This cost may vary depending on the role of the resource and may change over time .
![](http://lpma.chb.cc/wp-content/uploads/2018/11/Expense_100.jpg)
Projects expenses can also record expenses not related to resource costs (purchase, lease, sub-contracting)
![](http://lpma.chb.cc/wp-content/uploads/2018/11/Money_100.jpg)
Individual expenses can record expenses generated by a given resource.
ProjeQtOr can manage various financial elements found on a project: Quotation (proposals), Orders (received from customers), the invoicing Termsand Bills.