The Silverton Symphony Orchestra Hall is a well-established not-for-profit organization exempt under IRC Sec. 501(c)(3) that owns a debt-financed facility that is home to the local symphony orchestra. Its mission is to increase access to the arts for the community of Silverton. The facility is used throughout the year for many activities.
Which of the following regularly conducted activities of Silverton Symphony Hall are subject to unrelated business income tax? (Hint: IRS Publication 598 may be helpful in answering this question, available at www. irs. gov under "Charities and Non-Profits" and "UBIT.")

1. Sale of Silverton Symphony Orchestra Concert CDs in the facility's gift shop.
2. Rental of the facility to the high school drama club.
3. Rental of two apartments in the facility to the symphony.
4. Sale of the season ticket membership list to a local music store.
5. Rental of the facility to the state CPA association for continuing professional education events.
6. Internet sales of gift shop items with the Silverton Symphony Orchestra logo.
7. Lease of the facility's parking lot to the local university on football game days.