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Which of the following is an example of a barrier to entry? O low market demand. O high fixed costs to enter a market. O high labor costs. O differentiated products.In which types of markets to do firms have some control over the price charged to consumers? O monopoly and monopolistic competition O perfect competition and monopoly O monopoly only C perfect competition and monopolistic competition200 180 MC 160 140 ATC 120 100 40 20 MR D 2 4 6 8 10 12 14 16 18 20 22 24 quantity of output The figure shows demand, marginal revenue and cost curves for a manufacturer with a patent on the good it produces, making the firm the only supplier. After the patent expires and there are no other barriers to entry to this market, the market price will be approximately $140 $40 O $90200 180 MIC 160 140 ATC 120 100 80 60 40 20 MR D 8 10 12 14 16 18 20 22 24 quantity of output The figure shows demand, marginal revenue and cost curves for a manufacturer with a patent on the good it produces, making the firm the only supplier. At the profit maximizing output quantity, this firm earns _in profits. $1000 $400 O $1400 O -$600100 90 D 80 LATC 70 MR 60 2 4 6 8 10 12 14 16 18 20 22 24 jeans per hour The figure shows demand, marginal revenue and cost curves for a firm that produces designer jeans. There are many producers of jeans, each selling a differentiated product. This firm maximizes profits when it produces pairs per hour. O 18 12 16 O 10