Joan is a partner in XYZ Partnership. She has decided to retire and has already disposed of 50% of her partnership interest as of the end of the current year. As a retiring partner, she will be treated as a partner for income tax purposes until:

a) Her entire interest in the partnership is completely liquidated

b) The end of the current partnership year

c) The end of the partnership year following her retirement

d) Any portion of her partnership interest is liquidated