4. "The strength of our economy is threatened by automation. Everywhere we turn, machines are replacing people. An economy that does not have jobs for its workers cannot survive."

(a) Evaluate.

(b) Did the refrigerator weaken our economy because it eliminated the job of the iceman? The truck because it eliminated jobs for men with strong backs?

(c) What type of an economy would not have any jobs for its workers? Would you like to live. there? Explain.