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 10,000 at year 1 22,000 at year 2 22,000 at year 3 98,000 at year 4 120,000 at year 5 120,000 at year 6