Present value; single amount LO$53$You believe you have discovered a new medical device. You anticipate it will take additional time to get the device fully operational, run clinical trials, obtain FDA approval, and sell to a buyer for $$250,000.$ Assume a discount rate of $7\%$ compounded annually. What is the value today of discovering the medical advice, assuming you sell it for $$250,000$ in $($a$)$ two years, $($b$)$ three years, or $($c$)$ four years?