Arrangements and methods provide item data information to one or more merchants. An average stock price corresponding to a particular one of the plurality of option value prices is determined. A vent valve connects to atmospheric air via a second end of the second vapor storage device. The third circuit is configured to select the first signal when a normal operation mode is specified by the operation mode specifying signal, select the second signal when a test mode is specified, and generate a third signal used to activate at least part of the memory cells in a memory cell array based on a selected one of the first and second signals and the selection signal. The mobile device does not have to wait on the mobile call server to determine a call failure and ensure that subsequent call initiation by the mobile device does not result in a call establishment collision with the mobile call server. The hand-supportable digital imaging-based bar code reading device employs automatic object presence and range detection to control the generation of near-field and far-field wide-area illumination during bar code symbol imaging operations.