Microsoft Sharepoint Server

please follow the steps:
1. Create three columns Quantity, Unit Price & Net Amount
2. Columns types: Quantity [Number], Unit Price [Currency], Net Amount [Calculated (Calculation based on other columns)]
3. While creating Net Amount Column give text which is quotes (avoid quotes) “=[Quantity]*[Unit Price]“

1. Open the site in Sharepoint Designer
2. Select the list webpart and convert it into XSLT Data View
3. Select the column text which you want to make as bold/italic right click and take mouse over on Format Item as option and click on Text
4. Then format the text accordingly.