Your firm has estimated the following cash flows for a capital investment project. The firm's required rate of return is 12%. What is the project's profitability index? Cash Flow -$168,000 at time 0 84,000 at year 1 78,400 at year 2 78,400 at year 3 14,000 at year 4 14,000 at year 5 11,200 at year 6