One can not simply add a group of payments together and expect them to total an original amount of circulated cash. Economically money is accounted by summing together all paid amounts ( liabilities) with all money in possession (assets) Bill -260 dollars You-10 dollars in hand Couple #1-10 dollars in hand Couple #2-10 dollars in hand Waiter- 10 dollars in hand 260+10+10+10+10= the original 300 Pgus can't wait to see our Cielo Mar property (assets ) appraised