Which specialized feature was specifically developed for point of sale systems used in religious bookstores and organizations?

Modern religious institutions have embraced retail technology to facilitate donations, sell religious texts, manage bookstore operations, and streamline community event ticketing. This poll tests your knowledge about how point of sale systems have been specifically adapted for religious organizations. Can you identify the POS feature that has been uniquely designed to accommodate faith-based retail operations?

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Tithing calculation and pledge tracking system
Astrological compatibility verification
Automatic prayer time interruption alerts
Religious holiday discount randomizer