Sure-Lock Ltd. is purchasing new equipment at a cost of $325,000. The equipment will yield incremental cash flows of $100,000 in the first year of its operation. After that, the incremental cash flows will decrease at a rate of 10% per year. The equipment is expected to last for 6 years, and will be worthless at the end of its life. What is the internal rate of return of the equipment? The required rate of return is 15%.

A 12.85%

B 10.39%

C 13.98%

D 12.25%

E 11.97%