//src/lib/LiquidationDistributor.sol
    function _handleLoanManagerCall(IMultiSourceLoan.Tranche calldata _tranche, uint256 _sent) private {
        if (getLoanManagerRegistry.isLoanManager(_tranche.lender)) {
            LoanManager(_tranche.lender).loanLiquidation(
                _tranche.loanId,
                _tranche.principalAmount,
                _tranche.aprBps,
                _tranche.accruedInterest,
   |>           0,  //@audit this should be the actual protocol fee fraction
                _sent,
                _tranche.startTime
            );
        }
    }
//src/lib/pools/Pool.sol
        OutstandingValues memory __outstandingValues,
        uint256 _principalAmount,
        uint256 _apr,
        uint256 _interestEarned
    ) private view returns (OutstandingValues memory) {
...
         //@audit inflated _apr will offset __outstandingValues.sumApr to an incorrect lower value, causing accounting error
|>        __outstandingValues.sumApr -= uint128(_apr * _principalAmount);
...
