Project A has a total present value of future cash flows of $98,200 and a cost of $102,000. Project B has a total present value of future cash flows of $386,911 and a cost of $287,211. Project C has a total present value of future cash flows of $784,000 and a cost of $668,000. Project D has a total present value of future cash flows of $119,865 and a cost of $98,770. Which of these projects has the highest Profitability Index?