```\nfunction _applyFees(uint256 fee0_, uint256 fee1_) internal {\n    uint16 mManagerFeeBPS = managerFeeBPS;\n    managerBalance0 += (fee0_ * mManagerFeeBPS) / hundredPercent;\n    managerBalance1 += (fee1_ * mManagerFeeBPS) / hundredPercent;\n}\n```\n