A computer program product for use with a computer system for providing a process for strategy evaluation and optimization, having a computer-readable medium of instructions for directing a computer to evaluate data for optimizing strategic options. A surface extends from the inner peripheral edge inwardly of the case and defines an open-sided outwardly facing cavity. The layers present a sandwich configuration. The sensor is effective to detect a second level of the material in the container when the container is at a second location and to generate a second data signal in response.