The size of a certain insect population obeys the function P(t) = P₀eʳᵗ, where P₀ is the initial population, r is the growth rate, and t is time. There are 1000 insects initially and the growth rate is 2.45% per week. When will the population triple?

A) 4 weeks
B) 8 weeks
C) 12 weeks
D) 16 weeks