Build a Cash Register Project - Build a Cash Register

hei, i have been working on my cash register and no matter what i do, the last test doest pass: below is my code; does anyone know what im doing wrong?

/* file: script.js */

let cid = [
  ["PENNY", 1.01],
  ["NICKEL", 2.05],
  ["DIME", 3.1],
  ["QUARTER", 4.25],
  ["ONE", 90],
  ["FIVE", 55],
  ["TEN", 20],
  ["TWENTY", 60],
  ["ONE HUNDRED", 100],
];

const cashRegister = (cash, price, cid) => {
  const currency = {
    PENNY: 0.01,
    NICKEL: 0.05,
    DIME: 0.1,
    QUARTER: 0.25,
    ONE: 1,
    FIVE: 5,
    TEN: 10,
    TWENTY: 20,
    "ONE HUNDRED": 100,
  };
  
  let changeDue = cash - price;
  let changeArr = [];
  let totalCID = Number(cid.reduce((a, b) => a + b[1], 0).toFixed(2));
  if (totalCID < changeDue) {
    return `Status: INSUFFICIENT_FUNDS`;
  } 
   else {
   

    for (let i = cid.length - 1; i >= 0; i--) {
      let currencyName = cid[i][0];
      let cashTotal = cid[i][1];
      let currencyValue = currency[currencyName];
      let currencyUnitAmount = Number((cashTotal / currencyValue).toFixed(0));
      let currencyUnitToReturn = 0;

      while (changeDue >= currencyValue && currencyUnitAmount > 0) {
        changeDue -= currencyValue;
        changeDue = Number(changeDue.toFixed(2));
        currencyUnitAmount--;
        currencyUnitToReturn++;
      }

      if (currencyUnitToReturn > 0) {
        changeArr.push([`${currencyName}: $${currencyUnitToReturn * currencyValue}`]);
       }
      
      // console.log(changeArr);
    }
    if (changeDue > 0) {
      return `Status: INSUFFICIENT_FUNDS`;
    }
  
    return  changeDue === totalCID ?
      `Status: CLOSED ${changeArr}`:`Status: OPEN ${changeArr}`;
 
  }
  // console.log(changeDue, totalCID);
};


const btn = document.getElementById("purchase-btn");
let price = 19.5;
const total = document.getElementById("total");
total.textContent = `$${price.toFixed(2)}`;


btn.addEventListener("click", (e) => {
  e.preventDefault();
  // constants
  const changeDue = document.getElementById("change-due");
const cidText = document.getElementById("cid-text");
  const cash = document.getElementById("cash");
  const cashValue = parseFloat(cash.value);
   const result = cashRegister(cashValue, price, cid);
// end of constants
  if(cashValue < price){
  alert('Customer does not have enough money to purchase the item')
  }
  else if(cashValue === price){
    changeDue.textContent = `No change due - customer paid with exact cash`
  }else{
    changeDue.textContent = result
  }
  
});




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Challenge Information:

Build a Cash Register Project - Build a Cash Register