Solve the Problem $a _ { n } = 450 + 55 ( n - 1 )$

Solve the problem.
-The population of a small town is growing yearly according to the sequence defined by $a _ { n } = 450 + 55 ( n - 1 )$ , where $n$ is the number of the year just beginning. Predict the population at the beginning of the eighth year. Find the town's initial population.

A) 890 people; 450 people initially
B) 835 people; 505 people initially
C) 835 people; 450 people initially
D) 890 people; 505 people initially