The Roz Trust Has Distributable Net Income for the Year

The Roz Trust has distributable net income for the year of $100,000 and no income from tax-exempt sources. Under the terms of the trust instrument, the trustee must distribute $30,000 to Roger and $30,000 to Sally. After paying these amounts, the trustee is empowered to make additional distributions at its discretion. Exercising this authority, the trustee distributes an additional $10,000 to Roger and $30,000 to Sally. How much gross income from the trust must Sally recognize?

A) $80,000.
B) $60,000.
C) $50,000.
D) $20,000.