```\\nfunction _takeWalletFee(uint256 tWallet) private {\\n    uint256 currentRate = _getRate();\\n    uint256 rWallet = tWallet.mul(currentRate);\\n    _rOwned[address(this)] = _rOwned[address(this)].add(rWallet);\\n    if (_isExcluded[address(this)])\\n        _tOwned[address(this)] = _tOwned[address(this)].add(tWallet);\\n}\\n```\\n