Supply is (A) the set of all combinations of price and quantity demanded.(B) the amount of some good or service a producer is willing to supply at a single price.(C) the amount of some good or service a producer is willing to supply at each price none of the above.

(C) the amount of some good or service a producer is willing to supply at each price.

(B) the amount of some good or service a producer is willing to supply at a single price.

Explanation: Supply is a term in Economist used t refer to the amount of a good or service which a producer is willing to give out at a specific price or some set of prices.

Supply is affected by price according to the law of Supply.

At Specific price a producer might be willing to supply a given Product or service,or in a case where different materials are involved the producer might be willing to give a single price for all the items listed.

answer; buying the bill at a discount from the face value to be received at maturity;