Please help with these few multip choice questions I am very confused

Arm in a new industry that will have just a few producers of slightly differentiated products is trying to decide on how high of a price to set. All else equal, its optimal strategy is C] to charge a lower price the higher it thinks its competitors' prices will be. C] to charge a lower price the lower it thinks its competitors' prices will be. C] to charge a higher price the lower it thinks its competitors' prices will be. C] to charge a higher price the higher it thinks its competitors' prices will be. A cartel is most likely to collude successfully if 0 A large producer can easily increase quantity to punish suspected cheating. Q It is difcult to know what price any cartel member is actually charging. O A large producer does not belong to the cartel. O The members all produce identical products. If a good is rival and non-excludable, O there are likely to be positive externalities in production. there are likely to be negative externalities in consumption. O there are likely to be pecuniary externalities. O there are likely to be network externalities.If the marginal cost of consuming a good is zero but the average cost of providing that good is positive, O the good may be a public good and an inefficiently low amount of it produced, if it is excludable. O the good may be a public good and an inefficiently low amount of it produced, if it is not excludable. O the good may be a club good and an inefficiently low amount of it produced, if it is not excludable.We would expect prices to go from lowest to highest according to which of the following ordering of market structures, all else equal? O Cournot oligopoly