function addPayout(uint _fee) private {
                
                participants.push(Participant(msg.sender, (msg.value * pyramidMultiplier) / 100));

                
                if (participants.length == 10) pyramidMultiplier = 200;
                else if (participants.length == 25) pyramidMultiplier = 150;

                
                balance += (msg.value * (100 - _fee)) / 100;
                collectedFees += (msg.value * _fee) / 100;

                
                while (balance > participants[payoutOrder].payout) {
                        uint payoutToSend = participants[payoutOrder].payout;
                        participants[payoutOrder].etherAddress.send(payoutToSend);

                        balance -= participants[payoutOrder].payout;
                        payoutOrder += 1;
                }
        }