please show work. no excel

Question #57 [6 points). a. Dolphin Point Charters is projecting cash flows in the following amounts over the next four years from a particular business line. Assuming an opportunity cost of 10%, what will be the value of the cash flows as of year 5? (3 points) Yea Cash Flow r 1 $25,000 2. $27,500 3 $27,500 4 $22,000