Cheryl wants to perform an investigation that requires using hazardous chemicals. The following steps of the investigation are not in the correct order.

1. Perform the investigation.
2. Design the investigation.
3. Put on gloves, goggles, and an apron.
4. Dispose of waste materials.

Which of these is the correct sequence of steps to safely complete the investigation?

1. 1-3-4-2
2. 3-2-1-4
3. 4-1-3-2
4. 2-3-1-4