Reto Refactorización WRP 34

payment.php

<?php

class Payment {
    // ... mas codigo
    function getCantidades()
    {
        if ($this->isDead)
            $result = $this->deadAmount();
        else {
            if ($this->isSeparated)
                $result = $this->separatedAmount();
            else {
                if (!$this->isRetired)
                    $result = $this->normalPayAmount();
                else
                    $result = $this->retiredAmount();
            }
        }
        return $result;
    }
    // ... mas codigo
}