Which of the following statements concerning nonoperating income is(are) most correct?
1) Nonoperating income represents income (revenues) that is unrelated to core operations, such as interest on securities investments.
2) Nonoperating income represents income (revenues) that is unrelated to core opreations, such as contributions that are immediately available for use.
3) Nonoperating income represents income (revenues) that is unrelated to core operations, such as a hospital's outpatient revenue.
4) Answers (a) and (b) are correct.
5) Answers (a), (b), and (c) are correct.