Conservative Labor Math: Assumes a standard $25/hr wage, 2 restroom trips per shift, and just 5 minutes lost per trip walking/waiting/checking. (20 operational workdays per month).
Conservative Guest Flow Math: Assumes 20% of daily visitors use the restroom during peak hours. A blind hallway or occupied stall causes an average 2.5 minutes of combined walking, handle-rattling, and hallway waiting. (Based on 30 operational days per month).