Assume that the short-run cost and demand data given in the tables below confront a monopolistic competitor selling a given product and engaged in a given amount of product promotion. Cost Data Demand Data Total Output Total Cost Quantity Demanded Price 0 $25 0 $60 1 40 1 55 2 45 2 50 3 55 3 45 4 70 4 40 5 90 5 35 6 115 6 30What output and price levels will maximize the firm's profit in the short run? 5 units and $35 6 units and $30 3 units and $45 4 units and $40

The prebisch–singer hypothesis concludes that: a. technology lowers the cost of manufactured products, so developing countries should see an increase in their terms of trade. b. developing countries experience a long-run decline in their terms of trade, as the demand for primary products in higher-income countries declines relative to their demand for manufactured goods. c. because of unfair trading practices, labor in developing countries is exploited. d. opec has been responsible for a slowdown in the world's standard of living.