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How do communism and socialism differ in terms of the role that government plays in the economy ?

A76-year old female with degenerative joint disease made an appointment with an orthopedic surgeon. the patient stated she has had severe pain in her right knee for six months. she has tried physical therapy and steroid injections but has not had any relief. the surgeon has agreed to schedule a right total knee arthroplasty (knee replacement).

You are a newspaper publisher. you are in the middle of a one-year rental contract for your factory that requires you to pay $500,000 per month, and you have contractual labor obligations of $1 million per month that you can't get out of. you also have a marginal printing cost of $.25 per paper as well as a marginal delivery cost of $.10 per paper. if sales fall by 20 percent from 1 million papers per month to 800,000 papers per month, what happens to the afc per paper?