Remove custom price
TSM3 allowed you to remove custom prices from mats and restore the default.
Please add this functionality to TSM4 or make it more obvious how to perform this action.
Example scenario: I was setting custom prices for inks to take advantage of ink trading. I (stupidly) decided to walk down the list of inks and set any that were common. However, I can not trade for Crimson Ink, so I wanted to remove that custom price and just use the default again.