```\n        address creditor = underlyingPositionManager.ownerOf(loan.tokenId);\n        // Increase liquidity and transfer liquidity owner reward\n        _increaseLiquidity(cache.saleToken, cache.holdToken, loan, amount0, amount1);\n        uint256 liquidityOwnerReward = FullMath.mulDiv(\n            params.totalfeesOwed,\n            cache.holdTokenDebt,\n            params.totalBorrowedAmount\n        ) / Constants.COLLATERAL_BALANCE_PRECISION;\n\n        Vault(VAULT_ADDRESS).transferToken(cache.holdToken, creditor, liquidityOwnerReward);\n```\n