A farmer sows a certain crop. It costs $250,000 to buy the seed, prepare the ground, and sow the crop. In one year's time it will cost $110,000 to harvest the crop. If the crop will be worth $380,000, and the interest rate is 8%, what is the net present value (NPV) of this investment?
◦ -$220
◦ $0
◦ -$21,000
◦ $23,100