    function burnBondAndTransferToken(Perp.AssetPoolStatus storage _pool, uint256 _amount)
        internal
        returns (uint256 finalburntAmount, uint256 finalWithdrawalAmount)
    {
        address supplyTokenAddress = _pool.supplyTokenAddress;

        (finalburntAmount, finalWithdrawalAmount) =
            _pool.tokenStatus.removeAsset(ERC20(supplyTokenAddress).balanceOf(msg.sender), _amount);

        ISupplyToken(supplyTokenAddress).burn(msg.sender, finalburntAmount);

        ERC20(_pool.token).safeTransfer(msg.sender, finalWithdrawalAmount);
    }
