uint _feeAmount = _userNotional.mulUp(mothership.fee());

uint _userValueAdjusted = _userNotional - _feeAmount;
if (_userValueAdjusted > _userDebt) _userValueAdjusted -= _userDebt;
else _userValueAdjusted = 0;
uint _feeAmount = _userNotional.mulUp(mothership.fee());

uint _userValueAdjusted = _userNotional - _feeAmount;
if (_userValueAdjusted > _userDebt) {
    _userValueAdjusted -= _userDebt;
} else {
    _userValueAdjusted = 0;
    _feeAmount = _userNotional > _userDebt ? _userNotional - _userDebt : 0;
}
