We are in charge of assembling a new line of armored "HUMVEES" for the Rock Island Arsenal before they are shipped out for service in Afghanistan. These are typical 4-door vehicles. Here is a list of the materials we have:
- 300 Wheels
- 350 Armored doors
- 180 Headlights
- 62 Steering wheels
Which piece of equipment is going to "limit" how many HUMVEES we can assemble?
A. Wheels
B. Armored doors
C. Headlights
D. Steering wheels
