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. required select 'x' whether the regularly conducted activity of silverton symphony hall is/is not subject to unrelated business income tax? (hint: irs publication 598 may be in answering this question. it is available at under ""charities and non-profits"" and ""ubit."")