Walmart Inc. has been offered a business deal. If they take this deal, they will receive $3,000 each of the next 5 years (these are years 1, 2, ..., 5). The business opportunity requires an initial investment of $2,000 at time 0 plus and additional investment of $4,000 at year 2. What is the net present value (NPV) of this deal if the cost of capital is 5%?