You are making $50,000 investment and feel that a 13 percent rate of return is reasonable given the nature of the risks involved. you feel you will receive at least $8,000 in the first year, $21,000 in the second year, $43,000 in the third year, and potentially could see a cash outflow of $7,000 in the fourth year. what is the net present value of this investment given your expectation?