Shoot-out at the OK Corral

[LinusKS]

Suppose four gun-fighters rob a bank, and decide to split the booty three ways.

The only problem is, they can't decide who gets left out. To settle the matter, Abe suggests they have a shoot-out.

Now these four gun-fighters are good friends, and they all happen to know Abe is the best shot. Bill and Corby are mediocre, and Dan is truly sucky.

Assume they take up positions an equal distance apart, none of them shoots any faster or slower than any of the others, and they all act rationally once the shooting starts.

If Abe can hit a target at that distance with 80% accuracy, Bill and Corby are 60% and 40% accurate respectively, and poor Dan misses 80% of the time, who is most likely to be eliminated? Who is most likely to survive?