Potential projects A and B have the following cash flows. Use i = 8.9% annual rate compounded annually. Enter the Net Present Worth (NPW) of the preferred project. If neither project should be selected, enter 0. Project A Year 0: -$5,100 Year 1: $3,400 Year 2: $1,800 Year 3: $800 Project B Year 0: -$3,900 Year 1: $3,000 Year 2: $1,800 Year 3: $500