Your Father Spent All of His Adult Life Working in a Small

Multiple Choice

Your father spent all of his adult life working in a small T-shirt making firm. His first year of sales was $118,000 and his last year of sales was $450,000. If the firm grew at an average rate of 3.15% per year, how many years did your father sell T-shirts in his firm?

A) 43.16 years
B) 40.00 years
C) 31.68 years
D) 25.91 years