When an oligopoly market reaches a Nash equilibrium: a. a firm will have chosen its best strategy, given the strategies chosen by other firms in the market.
b. the firms will not have behaved as profit maximizers.
c. a firm will not take into account the strategies of competing firms.
d. the market price will be different for each firm

Option A: A firm will have chosen its best strategy, given the strategies chosen by other firms in the market.

Explanation:

Oligopoly Market os simply a type of Markets with only a few sellers, each offering a product similar or identical to the others. if and when, how oligopolists do not have the opportunity to collude, once they have reached the Nash equilibrium, it it is always in their best interest to leave their quantities supplied unchanged.

Oligopolists are always best off, in terms of their profits brings about a total quantity of output that falls short of the Nash-equilibrium total quantity.

metallurgy is your answer

the "study of metals and the process of refining ("

note that it says metal. metallurgy has the word "metal" in it, and so is most likely your answer (and is your answer).

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