function makePayment(uint256 amount_) external override returns (uint256 principal_, uint256 interest_) {
    // The amount specified is an optional amount to be transfer from the caller, as a convenience for EOAs.
    require(amount_ == uint256(0) || ERC20Helper.transferFrom(_fundsAsset, msg.sender, address(this), amount_), "ML:MP:TRANSFER_FROM_FAILED");

    ( principal_, interest_ ) = _makePayment();

    emit PaymentMade(principal_, interest_);
}
function makePayment(uint256 amount_) external override returns (uint256 principal_, uint256 interest_) {
    // The amount specified is an optional amount to be transfer from the caller, as a convenience for EOAs.
    require(amount_ == uint256(0) || ERC20Helper.transferFrom(_fundsAsset, msg.sender, address(this), amount_), "ML:MP:TRANSFER_FROM_FAILED");

    require(msg.sender == _borrower, "ML:DF:NOT_BORROWER");

    ( principal_, interest_ ) = _makePayment();

    emit PaymentMade(principal_, interest_);
}
