Answer the following question:
(i) Why does AFC curve never touch the X-axis ?
(ii) Why does TVC curve start from origin?
(iii) Why AC, AVC and MC curves are U-shaped ?
(iv) Why are the gap between TC curve and TVC curve remains constant with rise in output ?
(v) Why does AC curve lie above the AVC curve ?
(vi) Why does TC curve and TFC curve start from the same point above the origin?