Use the following to answer questions Exhibit: Production Possibilities Curves 2 -Use the rule of 72 to determine how long it takes for real GDP to double if real GDP

Use the following to answer questions
Exhibit: Production Possibilities Curves 2
-Use the rule of 72 to determine how long it takes for real GDP to double if real GDP grows at 3% per year.
A)12 years
B)24 years
C)36 years
D)72 years