The XYZ Partnership has three corporate partners with taxable years and ownership interests in the venture as follows: Partner Tax Year Ending Interest in Partnership X, Inc. December 31st 30% Y, Inc. December 31st 20% Z, Inc. November 30th 50% Which of the following is a true statement? Group of answer choices The partnership must use the calendar year. The partnership must calculate income using both dates and report the average. The partnership must use the majority interest rule to determine its tax year. The partnership must compute its income two times and report each partner's income as of the appropriate year end. The partnership must use the principle partner rule to determine its tax year