Miller Brothers is considering a project that will produce cash inflows of $32,500, $38,470, $40,805, and $41,268 a year for the next four years, respectively. What is the internal rate of return if the initial cost of the project is $184,600?

a. -6.24 percent

b. -7.62 percent

c. -7.39 percent

d. -6.47 percent

e. -6.86 percent