It is possible to hide to the cost of items that appears on the Price Check screen, as well as hide the "Analytics" field on tickets.
For example- here's the standard display of these features:
Go to "Company Settings" and find the "Miscellaneous" section at the end of the list. Under "Miscellaneous Application Settings," uncheck "Show Cost On VCT" and save your changes. This will remove cost information on the price check screen, and the ticket profitability analytics on the VCT machine will no longer be present.
Here are the same fields with the Hide Cost functionality implemented; costs are hidden: