Cash Register Bonfire

gistfile1.js

function drawer(price, cash, cid) {
  
    var values = {
    'ONE HUNDRED': 100,
    'TWENTY': 20,
    'TEN': 10,
    'FIVE': 5,
    'ONE': 1,
    'QUARTER': 0.25,
    'DIME': 0.1,
    'NICKEL': 0.05,
    'PENNY': 0.01
  };
  
  function createDrawer(arr) {
    return arr.
    map(function(item) {
        return newItem = [item[0], Math.round(item[1] / values[item[0]]),values[item[0]]];
    }).
    sort(function(a,b) {
        return values[b[0]] - values[a[0]];
    });
    
  }
  var avail = createDrawer(cid);
  var pendingCash = cash-price;
  var cashLeft = false;
  
  avail = avail.
    map(function(currency) {
        console.log("pending:"+pendingCash);
      var qty = Math.floor(pendingCash/currency[2]);
      var amount = 0; 
      if (qty < currency[1]) {
          amount = qty * currency[2];
          cashLeft = true;
      }
      else if(qty > 0) {
          amount = currency[1] * currency[2];
      }
        pendingCash = pendingCash.toFixed(2) - amount;
        return [currency[0], amount];
  }).
    filter(function(i) {
        return i[1] > 0;
    });
    console.log(avail);
    console.log(cashLeft);
    
if(pendingCash > 0) {
    return "Insufficient Funds";
}
else {
    return cashLeft ? avail : "Closed";
}

}
  
drawer(19.50, 20.00, [['PENNY', 0.50], ['NICKEL', 0], ['DIME', 0], ['QUARTER', 0], ['ONE', 0], ['FIVE', 0], ['TEN', 0], ['TWENTY', 0], ['ONE HUNDRED', 0]]);