UPS will be performing a work study on how you wipe your ass. They will create a standardized procedure that would be fast and economical (1sheet maximum). The IE (Industrial Engineering but I call them Intercourse and Exercise because after they screw you they give you the runaround) will have their hands full (of ) measuring length, thickness, consistency and evacuation time. They will have to add an allowance for flatulence during the event too. I presume that they're going to hold a hose to your butt to measure how much gas you produce.Then they will take all the info from thousands of potty experiences and come up for a potty time allowance.