Kira Johannson's Salary as a Sales Rep Was Reduced to $32,000

Multiple Choice

Kira Johannson's salary as a sales rep was reduced to $32,000 last year, but she earned an additional $10,000 in sales commissions. Her tax bill was $14,000 and bills covering other necessities such as food, housing, and transportation amounted to $11,000. Kira's discretionary income last year was:

A) $17,000.
B) $11,000.
C) $32,000.
D) $28,000.
E) $42,000.