6. Beginning with the Fall 2018 semester, three North Carolina universities (UNC Pembroke, Western Carolina University, and Elizabeth City State University) reduce their tuition. After the Fall semester had begun, each of these universities announced that they had experienced a large increase in enrollment. a. Explain what these facts tell us about the price elasticity of demand for education at these universities. b. Use your answer to part a. of this question to explain whether reducing tuition would lead to an increase, a decrease, or no change in the amount of revenue received by the universities