> For the complete documentation index, see [llms.txt](https://helpv2.nobi.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://helpv2.nobi.pro/setting/general-setting/other-setting/loai-chi-phi-co-hoi.md).
# Loại chi phí cơ hội
Manage all types of opportunity costs applied to the opportunity management function.
At the Nobi Pro admin page, to set up and manage opportunity cost types, go to **Setup -> General Settings -> Opportunity Cost Types**.
The interface will appear as shown below:
## 1. Add opportunity cost
To add an opportunity cost type, please follow the steps below:
Step 1: Click "Add cost type" -> The form to add cost type is displayed.
Step 2: Enter information into the opportunity cost category addition form
Step 3: Click "Add"
## 2. Update opportunity cost type
To update the cost type, please follow these steps:
Step 1: Click the 3 dots on the right side of the opportunity cost
Step 2: Click "Edit" -> Cost Type Update Form Display
Step 3: Enter the information to be updated
Step 4: Click "Update"
## 3. Remove opportunity cost
To delete the cost type, please follow these steps:
Step 1: Click the three dots on the right side of the opportunity cost
Step 2: Click "Delete"
Step 3: Click "Yes"
## 4. **Archived**
Once the "opportunity costs" are successfully deleted, they will be stored and managed in the **Archived** tab. Users can either restore the opportunity cost type or permanently delete it from the system.
### 4.1 Restore opportunity cost
To restore the opportunity cost, please follow these steps:
Step 1: Click the three dots on the right side of the opportunity cost type
Step 2: Click "Restore"
Step 3: In the delete confirmation popup, click "Restore"
### 4.2 Delete permanently
To permanently delete the opportunity cost type, please follow these steps:
Step 1: Click the 3 dots on the right side of the opportunity cost type
Step 2: Click "Delete"
Step 3: In the delete confirmation popup, click "Delete"
