A breeding group of foxes is introduced into a protected area, and the population growth follows a logistic pattern. After t years the population of foxes is given by N = . 13.54/0.04+0.56 foxes When will the fox population reach 78 individuals? Round your answer to two decimal places.

a) after 4.40 years

b) after 5.50 years

c) after 3.50 years

d) after 2.70 years