It's blocked by two UI properties; glide.ui.list.edit and glide.ui.list.edit_ignore_types.
To edit (Warning! This applies globally)
Go to sys_propeties.list > search for glide.ui.list.edit > Set the value to 'No"
To configure specific element type i.e. "currency," which is what the cost field is.
You need to find the property: glide.ui.list.edit_ignore_types > then remove the 'Currency" value from the list of non-editable field types.
