5. Market prices of drugs periodically rise above ceilings that the federal government imposes on hundreds of pharmaceuticals, including a number of cancer drugs. Why do you think that about 300 drug shortages typically exist at any given time in the United States? (5 points) 6. Why do you suppose that some economists argue that well-intentioned efforts by the government to hold down prices for sick patients can have the unintended effect of endangering many of those patients? (5 points)