If the growth rate of real GDP rises from 3% to 4% per year, then the number of years required to double real GDP will decrease from

Question 5 options:

a)

11.2 years to 10.8 years.

b)

23.3 years to 20.6 years.

c)

23.3 years to 17.5 years.

d)

28.0 years to 21.0 years.