code: function round (amount, numOfDecDigits) {
          numOfDecDigits = numOfDecDigits || 2;
          return Math.round(amount * Math.pow(10, numOfDecDigits)) / Math.pow(10, numOfDecDigits);
      }
docs: Round an amount to the given number of Digits.
  If no number of digits is given, than '2' is assumed.
  @param amount Amount to round
  @param numOfDecDigits Number of Digits to round to. Default value is '2'.
  @return Rounded amount