(b)……………………………………………………………………………….
(c)……………………………………………………………………………….
2.
(a)……………………………………………………………………………..
(b)………………………………………………………………………………
(c)………………………………………………………………………………
Inference:
……………………………………………………………………………….
………………………………………………………………………………..
………………………………………………………………………………..