Answer:
Option B $32.31 per hour
Explanation:
I earn $21 per hour at my job. If i get a hike of 9% raise at the end of each year then i have to calculate the my hourly rate h, after 5 years.
Since the given equation is

where C is the beginning hourly rate = $21 per hour
r = growth rate = 9%
t = time in years = 5 years
By putting these values in the formula


h = 21×1.5386 = $32.31 per hour
Therefore option B. $32.31 per hour is the answer.