Your profit is the sum of the profits you made in all the sessions and rounds of an experiment.  Your winnings are profits normalized according to your type.  First, for each type, we sort the profits in all sections from lowest to highest.  Everyone whose profit is in the 80th percentile or above has winnings of 10. Everyone in the 20th percentile or below has winnings of 5. Everyone else's winnings are calculated according to the following formula: