Diamond Enterprises is considering a project that will produce cash inflows of $238,000 a year for three years followed by $149,000 in year four. What is the internal rate of return if the initial cost of the project is $749,000?

a. 3.43 percent

b. 4.29 percent

c. 5.81 percent

d. 6.32 percent

e. 7.55 percent