What is the profitability index of a project that costs $10,000 and provides cash flows of $3,400 in years 1 and 2 and $5,400 in years 3 and

What is the profitability index of a project that costs $10,000 and provides cash flows of $3,400 in years 1 and 2 and $5,400 in years 3 and 4? The discount rate is 10%