} else {
    ERC20(loan.loanAssetContractAddress).safeTransferFrom(
        msg.sender,
        currentLoanOwner,
        accumulatedInterest + previousLoanAmount
    );
}
ILendTicket(lendTicketContract).loanFacilitatorTransfer(currentLoanOwner, sendLendTicketTo, loanId);
The original lender/borrower calls the following `repayAndCloseLoan()` function so that they receive their collateral NFT from the protocol.

function repayAndCloseLoan(uint256 loanId) external override notClosed(loanId) {
    Loan storage loan = loanInfo[loanId];


    uint256 interest = _interestOwed(
        loan.loanAmount,
        loan.lastAccumulatedTimestamp,
        loan.perAnumInterestRate,
        loan.accumulatedInterest
    );
    address lender = IERC721(lendTicketContract).ownerOf(loanId);
    loan.closed = true;
    ERC20(loan.loanAssetContractAddress).safeTransferFrom(msg.sender, lender, interest + loan.loanAmount);
    IERC721(loan.collateralContractAddress).safeTransferFrom(
        address(this),
        IERC721(borrowTicketContract).ownerOf(loanId),
        loan.collateralTokenId
    );


    emit Repay(loanId, msg.sender, lender, interest, loan.loanAmount);
    emit Close(loanId);
}
