According to the textbook, a comparison of several countries with different levels of income shows that quality of healthcare and life expectancy among these nations are similar. However, the cost of care in the U.S. is the highest among the nations in the comparison. Analyze the main specific factors that affect the cost of healthcare services in the U.S. and recommend one (1) way that physician practices can help reduce the overall cost of healthcare services in the U.S. Provide a rationale for your response. Assess the key different types of physician practices and evaluate three (3) administrative challenges that practice administrators face in providing quality services to the communities they serve. Support your analysis with specific examples.