The Seattle Corporation Has Been Presented with an Investment Opportunity

The Seattle Corporation has been presented with an investment opportunity which will yield cash flows of $30,000 per year in Years 1 through 4, $35,000 per year in Years 5 through 9, and $40,000 in Year 10. This investment will cost the firm $100,000 today, and the firm's cost of capital is 10%. Assume cash flows occur evenly during the year. The discounted payback period is

A) 5.23 years.
B) 4.26 years.
C) 4.35 years.
D) 3.72 years.