In a population per capita birth rate is `0.15` and per capita death rate is `0.08` during a unit time period. What is the value of r (intrinsic rate of natural increases) for the given population ?

Options

A. `0.23`
B. `0.07`
C. `0.05`
D. `0.25`

Answer

B

Explanation

Intrinsic rate of natural increase `(r)`
= Birth rate - death rate
`= 0.15 - 0.08 = 0.07`