. X, Y and Z form a partnership. X is a corporation with a 7/31 fiscal year, Y is a corporation with a 1/31 fiscal year, and Z is a calendar year and capital in the following alternative proportions:

A. 60% X, 20% Y, 20% Z

B. b. 50% X, 30% Y, 20% Z

C. Assume the XYX Partnerships principal business activity is the preparation of tax returns. What taxable year might it prefer? Is that choice available to it?