In a monopolistically competitive market, Group of answer choices entry by new firms is impeded by barriers to entry; thus, the number of firms in the market is never ideal. entry by new firms is impeded by barriers to entry, but the number of firms in the market is nevertheless always ideal. free entry ensures that the number of firms in the market is ideal. there may be too few or too many firms in the market, despite free entry.Diminishing marginal product occurs when Group of answer choices the increases to total output are declining. marginal product is negative. total output is decreasing. All of the above are correct