(a) What is competitive supply? (b) With the aid of illustrations, differentiate between a supply schedule and a supply curve. (c) Explain how the supply of...

(a) What is competitive supply?

(b) With the aid of illustrations, differentiate between a supply schedule and a supply curve.

(c) Explain how the supply of a commodity is affected by the following:
(i) an improvement in technology;
(ii) a rise in input prices;
(iii) a rise in the prices of other commodities;
(iv) an increase in government subsidies on production.