The annual salary for a manager at a company is modeled by the function ƒ(x) = 50,000(1.065)x, where x is the number of years employed. What does 1.065 represent?

A) The salary increases at a rate of 0.065% each year.
B) The salary increases at a rate of 0.65% each year.
C) The salary increases at a rate of 6.5% each year.
D) The salary increases at a rate of 106.5% each year.