Your firm is considering an investment that will cost $920,000 today. The investment will produce cash flows of $450,000 in year 1, $270,000 in years 2 through 4, and $200,000 in year 5. The discount rate that your firm uses for projects of this type is 11.25%. What is the investment's profitability index?

A) 1.21

B) 1.43

C) 1.26

D) 1.69