Answer:
Present Value (PV) of cash flows are as follows. 
(i) Discount rate = 0% 


= - 1 
Since PV < 0, the project should not be undertaken. 
(ii) Discount rate = 2% 


= 156 
Since PV > 0, the project should be undertaken. 
(iii) Discount rate = 5% 


= 772 
Since PV > 0, the project should be undertaken. 
(ii) Discount rate = 10% 


= - 351 
Since PV < 0, the project should not be undertaken.