//src/lib/loans/MultiSourceLoan.sol
    function _checkStrictlyBetter(
        uint256 _offerPrincipalAmount,
        uint256 _loanPrincipalAmount,
        uint256 _offerEndTime,
        uint256 _loanEndTime,
        uint256 _offerAprBps,
        uint256 _loanAprBps,
        uint256 _offerFee
    ) internal view {
...
        if (
|>           ((_offerPrincipalAmount - _loanPrincipalAmount != 0) &&
|>                ((_loanAprBps *
                    _loanPrincipalAmount -
                    _offerAprBps *
                    _offerPrincipalAmount).mulDivDown(
                        _PRECISION,
                        _loanAprBps * _loanPrincipalAmount
                    ) < minImprovementApr)) ||
            (_offerFee != 0) ||
            (_offerEndTime < _loanEndTime)
        ) {
            revert NotStrictlyImprovedError();
        }
...
