The Duck Token - takeDevelopment

function _takeDevelopment(uint256 tDevelopment) private {

       uint256 currentRate =  _getRate();

       uint256 rDevelopment = tDevelopment.mul(currentRate);

       _rOwned[_developmentWalletAddress] = _rOwned[_development WalletAddress].add(rDevelopment);

       if(_isExcluded[_developmentWalletAddress])

           _tOwned[_developmentWalletAddress] = _tOwned[_development WalletAddress].add(tDevelopment);

   }

function setDevelopmentFeePercent(uint256 developmentFee) external onlyOwner() {

       _developmentFee = developmentFee;

   }