Perch, Inc., an exempt organization, records unrelated business taxable income of $4,000,000. The organization paid $840,000 on this income. You are Perch's accountant. You have prepared copies of Perch's financial statements for the incoming Board of Directors. The new directors saw the unrelated business tax ($840,000) in the profit and loss statement and are confused about why a not-for-profit organization must pay taxes. Prepare a memorandum that explains what the UBIT is, why. Perch is subject to the UBIT, and how you would compute the UBIT