A pot of vegetable soup has been held below 135°F (52°C) for over 4 hours. What should the food handler do?
1) Reheat the soup in the microwave for 2 minutes, stirring half way
2) Reheat the soup to 165°F (74°C) for 15 seconds and serve it immediately
3) Discard the soup
4) Reheat it to 135°F (57°C) and serve it immediately