By 1959, the human population had reached 2.9 billion people and was growing much faster than in earlier times. Globally, the birth rate was 36 per 1000 people per year, and the death rate was 19 per 1000 people per year.

A. Calculate r at this time.

B. What was the rate of population increase in 1959? For full credit, please express the answer in millions of people per year.