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 discounted payback period of the equipment, given that the required rate of return is 15%? Multiple Choice 5+ years 4+ years O Never O 2+ years O 3+ years