In the market for hotel / motel rooms on the Las Vegas Strip, even though there are numerous casinos with varied themes, in fact almost all the casinos (and thus almost all the rooms) are owned by only two corporations. Which industry type would be most accurate to describe the casino and hotel room market on the Las Vegas Strip where only two companies control most of the market

Michigan mattress company is considering the purchase of land and the construction of a new plant. the land, which would be bought immediately (at t = 0), has a cost of $100,000 and the building, which would be erected at the end of the first year (t = 1), would cost $500,000. it is estimated that the firm's afterminustax cash flow will increase by $100,000 starting at the end of the second year, and that this incremental flow would increase at a 10 percent rate annually over the next 10 years. what is the approximate payback period?