Answer:
Net Present Value = $15,729.94 Â
Explanation:
The Net present value (NPV) is the difference between the Present value (PV) of cash inflows and the PV of cash outflows. A positive NPV implies a good investment decision and a negative figure implies the opposite.
NPV of an investment:
NPV = PV of Cash inflows - PV of cash outflow
PV of cash inflow = A×  (1- (1+r)^(-n))/r
A- annul cash inflow, r- 10%, n- 4
PV of cash inflow=  30,200 × (1- 1.1^(-4))/0.1
              =  95,729.94  .
Initial cost = 80,000
NPV = 95,729.94 Â - 80,000
   =  $15,729.94 Â