The base price of a product can be found in the basic info:
This is the starting price before changing or adding any options.
You can add/change prices to Attributes in the attributes tab. Select the pencil next to the attribute to view the options.
Next, select the pencil next to the options to open the window to change the price.
Don’t forget to click save changes when you are done!
To change the prices of colours go to the material group tab and select the pencil behind the corresponding material group.
Select the pencil behind the colour to open the window to change the price.