a citizen's group has urged the local school board to construct bleachers at the high school's football field and to charge admission to the school's football games. The group claims that within ten years the admission fees will have covered the construction costs. The group also claims that "this project will benefit the entire community not only by giving us a set of bleachers, but also by creating added revenues for the school from the eleventh year onward. Is the group correct that the added revenue should be counted as benefits? explain