DO IT! 12-3 Ranger Corporation has decided to invest in renewable energy sources to meet part of its energy needs for production. It is considering solar power versus wind power. After considering cost savings as well as incremental revenues from selling excess electricity into the power grid, it has determined the following. Solar Present value of annual cash flows Initial investment $52,580 $39,500 Wind $128,450 $105,300 Determine the net present value and profitability index of each project. Which energy source should it choose