[twistedpairs]

Using max possible days in month gives ~21 million js:

  [...Array(31).keys()]

  .map(num => Math.pow(2,num))

  .reduce((total,num) => total + num)

  / 100

$21,474,836.47

or since the sum is equal to the next sequential (2 to power of n+1) minus 1 cent => 2^31 - 1 = $21,474,836.47