var CashAmount = function(total) {
  this.total = total;
};

CashAmount.prototype.totalAsPennies = function() {
  return this.total * 100;
};

CashAmount.prototype.addDoubleAmount = function(val) {
  var valInPennies = val * 100;
  var totalInPennies = this.total * 100;
  this.total = (valInPennies + totalInPennies) / 100;
  return this.total;
};

CashAmount.prototype.quantityOfEachDenomination = function() {
  var total = this.total;
  var totalInPennies = total * 100;
  var obj = {};

  //hundreds
  if (Math.floor(totalInPennies / 10000) > 0) {
    var hundreds = Math.floor(totalInPennies / 10000);
    obj.hundreds = hundreds;
    totalInPennies = totalInPennies - (hundreds * 10000)
  } else {
    obj.hundreds = 0;
  }

  //fifties
  if (Math.floor(totalInPennies / 5000) > 0) {
    var fifties = Math.floor(totalInPennies / 5000);
    obj.fifties = fifties;
    totalInPennies = totalInPennies - (fifties * 5000)
  } else {
    obj.fifties = 0;
  }

  //twenties
  if (Math.floor(totalInPennies / 2000) > 0) {
    var twenties = Math.floor(totalInPennies / 2000);
    obj.twenties = twenties;
    totalInPennies = totalInPennies - (twenties * 2000)
  } else {
    obj.twenties = 0;
  }

  //tens
  if (Math.floor(totalInPennies / 1000) > 0) {
    var tens = Math.floor(totalInPennies / 1000);
    obj.tens = tens;
    totalInPennies = totalInPennies - (tens * 1000)
  } else {
    obj.tens = 0;
  }

  //fives
  if (Math.floor(totalInPennies / 500) > 0) {
    var fives = Math.floor(totalInPennies / 500);
    obj.fives = fives;
    totalInPennies = totalInPennies - (fives * 500)
  } else {
    obj.fives = 0;
  }

  //ones
  if (Math.floor(totalInPennies / 100) > 0) {
    var ones = Math.floor(totalInPennies / 100);
    obj.ones = ones;
    totalInPennies = totalInPennies - (ones * 100)
  } else {
    obj.ones = 0;
  }

  //quarters
  if (Math.floor(totalInPennies / 25) > 0) {
    var quarters = Math.floor(totalInPennies / 25);
    obj.quarters = quarters;
    totalInPennies = totalInPennies - (quarters * 25)
  } else {
    obj.quarters = 0;
  }

  //dimes
  if (Math.floor(totalInPennies / 10) > 0) {
    var dimes = Math.floor(totalInPennies / 10);
    obj.dimes = dimes;
    totalInPennies = totalInPennies - (dimes * 10)
  } else {
    obj.dimes = 0;
  }

  //nickels
  if (Math.floor(totalInPennies / 5) > 0) {
    var nickels = Math.floor(totalInPennies / 5);
    obj.nickels = nickels;
    totalInPennies = totalInPennies - (nickels * 5)
  } else {
    obj.nickels = 0;
  }

  //pennies
  if (Math.floor(totalInPennies / 1) > 0) {
    var pennies = Math.floor(totalInPennies / 1);
    obj.pennies = pennies;
    totalInPennies = totalInPennies - (pennies * 1)
  } else {
    obj.pennies = 0;
  }

  return obj;
};