Westopia generates $5,000 in wages and salaries, $1,000 in rental income, $75 billion on interest earned, and $8,000 in corporate profits. The government runs a budget deficit of $6,000. What is the dollar value of GDP?
a) $12,075 billion
b) $8,075 billion
c) $20,075 billion
d) $13,000 billion
e) None of the above