(c) You decide to survey the students in Treatment Group 1 to ask how much they would have donated if they had received the additional information in the italicized sentence. You run an analogous survey for the students in Treatment Group 2 to ask how much they would have donated if they had not received the additional information in the italicized sentence. Assume everyone answers correctly and truthfully. Table 2 IFWC S Given these survey results, how would you estimate the impact of providing the additional italicized information on donations? Discuss your answer in relation to parts (a) and (b). {5 points)