function checkCashRegister(price, cash, cid) {
    var change = cash - price;

    var totalCid =0;
    for(var i = 0; i < cid.length; i++) totalCid += cid[i][1];

    var returnArr = [["PENNY",0], ["NICKEL", 0], ["DIME", 0], ["QUARTER", 0],                         ["ONE", 0], ["FIVE", 0], ["TEN", 0], ["TWENTY", 0], ["ONE HUNDRED", 0]];

    function hasValue (value) {return value[1] > 0;}

    if(change>totalCid) {
      return "Insufficient Funds";
    }
    else if(change==totalCid) {
      return "Closed";
    }


    else {
      while(change >= 0.01) {

        if (change >=100 && cid[8][1] >= 100){
          change -= 100;
          cid[8][1] -= 100;
          returnArr[8][1] += 100;
        }
        else if (change >= 20 && cid[7][1] >= 20){
          change -= 20;
          cid[7][1] -= 20;
          returnArr[7][1] += 20;
        }
        else if (change >= 10 && cid[6][1] >= 10){
          change -= 10;
          cid[6][1] -= 10;
          returnArr[6][1] += 10;
        }
        else if (change >= 5 && cid[5][1] >= 5){
          change -= 5;
          cid[5][1] -= 5;
          returnArr[5][1] += 5;
        }
        else if (change >= 1 && cid[4][1] >= 1){
          change -= 1;
          cid[4][1] -= 1;
          returnArr[4][1] += 1;
        }

        else if (change >= 0.25 && cid[3][1] >= 0.25) {
          change -= 0.25;
          cid[3][1] -= 0.25;
          returnArr[3][1] += 0.25;
        }

        else if (change >= 0.10 && cid[2][1] >= 0.10){
          change -= 0.10;
          cid[2][1] -= 0.10;
          returnArr[2][1] += 0.10;
        }
        else if (change >= 0.05 && cid[1][1] >= 0.05){
          change -= 0.05;
          cid[1][1] -= 0.05;
          returnArr[1][1] += 0.05;
        }
        else if (change >= 0.01 && cid[0][1] >= 0.01){
          change -= 0.01;
          cid[0][1] -= 0.01;
          returnArr[0][1] += 0.01;
        }
        else return "Insufficient Funds";

      }

      return returnArr.filter(hasValue).reverse();

    }
}





checkCashRegister(3.26, 100.00, [["PENNY", 1.01], ["NICKEL", 2.05], ["DIME", 3.10], ["QUARTER", 4.25], ["ONE", 90.00], ["FIVE", 55.00], ["TEN", 20.00], ["TWENTY", 60.00], ["ONE HUNDRED", 100.00]]);