Suppose Nominal GDP for an Economy Rose from $120 Billion

Multiple Choice

Suppose nominal GDP for an economy rose from $120 billion in 2016 to $150 billion in 2017 and that the inflation rate over the same period was 5 percent.
-Refer to the information above to answer this question.By what percentage did real GDP increase between 2016 and 2017?

A) 20%
B) 25%
C) 30%
D) 35%
E) 40%