Got Rope?

"The capitalists will sell us the rope with which we will hang them."

This has been attributed to which of the following:

a) Lennon
b) Marx
c) Stalin
d) Mao
e) Groucho
f) McCartney

If capitalism is in the last throws, what was the rope? And who was the buyer? and what are they going to do next?

To whomever can best answer that, you will recieve a front and center seat to the big celebration known as "The Party At The End of The World" on 12/21/2011. Stay tuned for details.