Use the cost and revenue data to answer the questions. Quantity Price Total revenue Total cost 10 90 900 675 15 80 1200 825 20 70 1400 1025 25 60 1500 1250 30 50 1500 1500 35 40 1400 1850 If the firm is a monopoly, what is marginal revenue when quantity is 25 ? MR = $ What is marginal cost when quantity is 15 ? MC = $ If this firm is a monopoly, at what quantity will marginal profit be $0.00? quantity = If this is a perfectly competitive market, which quantity will be produced? quantity = Comparing monopoly to perfect competition, which of the statements are true? Select all that apply. The monopoly's price is higher. The monopoly is likely to be less responsive to consumers. The perfectly competitive market's ouput is lower.

"in the electricity industry, low average total costs are obtained only through large-scale production. in other words, the initial cost of setting up all the necessary wiring makes it risky and, most likely, unprofitable for competitors to enter the market. throughout much of the 20th century, many people viewed south africa’s de beers group as a monopoly because it controlled a large percentage of diamond production and sales. patents are granted to inventors of a product or process for a certain number of years. the reason for this is to encourage innovation in the economy. without the existence of patents, it is argued, research and development for improved electronics is unlikely to take place, since there’s nothing preventing another firm from stealing the idea, copying the product, and producing it without incurring the devel opment costs."which of the following best explains the barriers to entry that exist in this scenario? increasing returns to scale legal barriers exclusive ownership of a necessary resource