Suppose an industry is composed of six firms. Four firms have sales of $100,000 each, and two firms have sales of $50,000 each. a. Explain how concentration ratios are calculated. Determine the concentration ratios in the market. b. Explain how the Herfindahl-Hirschmann index is constructed. Determine the Hefindahl-Hirschmann index for that industry. c. Based on the FTC and DOJ Horizontal Merger guidelines, do you think that the FTC would attempt to block a horizontal merger between two firms with sales of $100,000 and $50,000? Explain. d. Explain how the FTC decides on whether to challenge a proposed merger? What other aspects does the agency consider in addition to the HHI and market concentration ratios? Use the link below to prepare your answers.

Luis and rosa, citizens of costa rica, moved to the united states in year 1 where they both lived and worked. in year 3, they provided the total support for their four young children (all under the age of 10). two children lived with luis and rosa in the u. s., one child lived with his aunt in mexico, and one child lived with her grandmother in costa rica. none of the children earned any income. all of the children were citizens of costa rica. the child in mexico was a resident of mexico, and the child in costa rica was a resident of costa rica. how many total exemptions (personal exemptions plus exemptions for dependents) may luis and rosa claim on their year 3 joint income tax return? a. 6 b. 5 c. 4 d. 2

Jennifer purchased a house in a brand new development in the outskirts of town. when her house was built, the nearest fire department was nearly 20 miles away. as her neighborhood developed, the density of the community called for a new fire department 1.5 miles away. what effect will the new fire station have on her homeowners insurance premium? a. a new fire department will be more demanding on local taxes. her annual premium will go up. b. the location of a fire department has no bearing on the value of her house. her annual premium will stay the same. c. the new fire department will reduce the risk of financial loss in her home. her annual premium should decrease. d. with a fire department so close (less than 5 miles), financial risk on jennifer’s home practically disappears. she will not need to pay insurance anymore.

The following information is for alex corp: product x: revenue $12.00 variable cost $4.50 product y: revenue $44.50 variable cost $9.50 total fixed costs $75,000 what is the breakeven point assuming the sales mix consists of two units of product x and one unit of product y?