The population of Centerville increases each year. The function C(t) = P(1+r)*represents the population of Centerville at year t, where Pis the initial population and ris the rate of increase. Select the correct statement. A. The factor (1+r) is the percentage by which the population grows each year. B. The value of C depends only on the starting population and the year. C. ris less than 0. OD. Prepresents the population in year 0.