A revenue balancing method and computer program that more quickly, accurately, and easily reconciles or balances revenue contained in a first cash drawer while at the same time building or filling a second cash drawer. In one embodiment, a thin film deposition apparatus includes: a chamber including a removable chamber cover; one or more reactors housed in the chamber; a chamber cover lifting device connected to the chamber cover. A Fischer Tropsch synthesis is then performed on the gaseous mixture to obtain a Fischer Tropsch product along with unconverted carbon monoxide and hydrogen. This allows a user of one application to share his or her presets with users of different applications.