This system employed by Zenon Papyri with respect to data generation, recording and
analysis, (though elaborate and meticulous) were sufficient to detect error, fraud and inefficiency in the system.
The Zenon Papyri approach had little concern for decision making, efficiency or profitability, and perhaps this
feature might invalidate a lot of work that went into the operating system (Glautier, and Underdown 2001).