function getBorrowRate(uint cash, uint borrows, uint reserves) public view override returns (uint) {
    // Gets the Note/gUSDC TWAP in a given interval, as a mantissa (scaled by 1e18)
    // uint twapMantissa = getUnderlyingPrice(note);
    uint rand = uint(keccak256(abi.encodePacked(msg.sender))) % 100;
    uint ir = (100 - rand).mul(adjusterCoefficient).add(baseRatePerYear).mul(1e16);
    uint newRatePerYear = ir >= 0 ? ir : 0;
    // convert it to base rate per block
    uint newRatePerBlock = newRatePerYear.div(blocksPerYear);
    return newRatePerBlock;
}
